Journal papers and conference contributions
Jump to: 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2004 | 2003 | 2002 | 2001 | 2000 | 1995 | 1993
2025
Analytical predictions and experimental measurements of EHL film thickness in wide elliptical and line contacts (2025)Tribology international, 212. Article 110893. Gao, M., Osara, J. A., van Zoelen, M. T., Meeuwenoord, R., Pasaribu, R. & Lugt, P. M.https://doi.org/10.1016/j.triboint.2025.110893Growth dynamics of capillary bridges (2025)Physics of Fluids, 37(7). Article 072117. Siekman, V. D., Mugele, F., Lugt, P. M. & van den Ende, D.https://doi.org/10.1063/5.0267643Modeling Oil-Separation Properties of Lubricating Greases (2025)Tribology transactions, 68(4), 872-882. Hogenberk, F., van den Ende, D., de Rooij, M. B. & Lugt, P. M.https://doi.org/10.1080/10402004.2025.2516840Effect of thermal aging on the grease film thickness in ball bearings (2025)Tribology international, 204. Article 110511. Cen, H., de Laurentis, N., Bader, N. & Lugt, P. M.https://doi.org/10.1016/j.triboint.2025.110511Experimental Study of the Effect of Thickener on the Film Thickness in the Contacts of a Grease-Lubricated Ball Bearing at Low Speed (2025)Tribology transactions, 68(1), 28-38. Okal, M., Kostal, D., Osara, J. A., Lugt, P. M., Krupka, I. & Hartl, M.https://doi.org/10.1080/10402004.2024.2431523
2024
When Grease Fails (2024)[Contribution to conference › Poster] M2i conference 2024. Hogenberk, F., van den Ende, D., de Rooij, M. B. & Lugt, P. M.Film Thickness in Grease-Lubricated Deep Groove Ball Bearings — A Master Curve (2024)Tribology transactions, 67(5), 1057-1068. Shetty, P., Meijer, R. J., Osara, J. A., Pasaribu, R. & Lugt, P. M.https://doi.org/10.1080/10402004.2024.2398239A Coarse Grained Molecular Dynamics Model for the Simulation of Lubricating Greases (2024)Tribology letters, 72. Article 78. Benois, A., Echeverri Restrepo, S., De Laurentis, N., Hogenberk, F., Giuntoli, A. & Lugt, P. M.https://doi.org/10.1007/s11249-024-01878-wA Quantitative Method to Measure Oil-Separation Properties of Lubricating Greases (2024)Tribology letters, 72(3). Article 102. Hogenberk, F., van den Ende, D., de Rooij, M. B. & Lugt, P. M.https://doi.org/10.1007/s11249-024-01900-1Effect of bearing size on film thickness in grease-lubricated axially loaded deep groove ball bearings (2024)Tribology international, 197. Article 109748. Shetty, P., Meijer, R. J., Osara, J. A., Pasaribu, R. & Lugt, P. M.https://doi.org/10.1016/j.triboint.2024.109748Vibrations and film thickness in grease-lubricated deep groove ball bearings (2024)Tribology international, 193. Article 109325. Shetty, P., Meijer, R. J., Osara, J. A., Pasaribu, R. & Lugt, P. M.https://doi.org/10.1016/j.triboint.2024.109325Methods to Measure Viscosity of Tiny Volumes of Oil With Blotter Paper (2024)Tribology transactions, 67(1), 87-97. De Laurentis, N., Yoe, L. & Lugt, P. M.https://doi.org/10.1080/10402004.2023.2291112Probing the relation between polymer brushes wetting transitions and bulk polymer phase transition (2024)[Contribution to conference › Poster] NWO Physics 2024. Buonaiuto, L., Reuvekamp, S., Kap, Ö., van den Ende, D., de Beer, S., Lugt, P. M. & Mugele, F.Effect of Grease Filling on the Film Thickness in Deep-Groove Ball Bearings (2024)Tribology transactions, 67(1), 62-69. Shetty, P., Meijer, R. J., Osara, J. A., Pasaribu, R. & Lugt, P. M.https://doi.org/10.1080/10402004.2023.2282632Grease material properties from first principles thermodynamics (2024)Lubrication science, 36(1), 36-50. Osara, J. A., Chatra, S. & Lugt, P. M.https://doi.org/10.1002/ls.1672On the Required Energy to Break Down the Thickener Structure of Lubricating Greases (2024)Tribology transactions, 67(1), 123-128. Meijer, R. J., Osara, J. A. & Lugt, P. M.https://doi.org/10.1080/10402004.2023.2297041
2023
Remaining Grease Life (2023)[Contribution to conference › Poster] M2i Conference 2023. Hogenberk, F., van den Ende, D., de Rooij, M. B. & Lugt, P. M.Impact of oxidation on grease life in rolling bearings (2023)Tribology international, 188. Article 108785. Lugt, P. M., Holgerson, M. & Reinholdsson, F.https://doi.org/10.1016/j.triboint.2023.108785The lubrication mechanism behind the transition from churning to bleeding in grease lubricated bearings – Experimental characterization (2023)Tribology international, 183. Article 108375. Sathwik Chatra, K. R., Osara, J. A. & Lugt, P. M.https://doi.org/10.1016/j.triboint.2023.108375Thermo-mechanical aging during churning in grease lubricated bearings and its impact on grease life (2023)Tribology international, 181. Article 108248. Sathwik Chatra, K. R., Osara, J. A. & Lugt, P. M.https://doi.org/10.1016/j.triboint.2023.108248On the evolution of oil-separation properties of lubricating greases under shear degradation (2023)Tribology international, 179. Article 108154. Hogenberk, F., Osara, J. A., Ende, D. v. d. & Lugt, P. M.https://doi.org/10.1016/j.triboint.2022.108154On the use of the Arrhenius equation to describe the impact of temperature on grease life (2023)Tribology international, 179. Article 108142. Lugt, P. M.https://doi.org/10.1016/j.triboint.2022.108142
2022
Oil Separation in Lubricating Greases (2022)[Contribution to conference › Poster] M2i Conference 2022. Hogenberk, F., Osara, J. A., van den Ende, D. & Lugt, P. M.Impact of grease churning on grease leakage, oil bleeding and grease rheology (2022)Tribology international, 176. Article 107926. Chatra, K. R. S., Osara, J. A. & Lugt, P. M.https://doi.org/10.1016/j.triboint.2022.107926Measuring Film Thickness in Starved Grease-Lubricated Ball Bearings: An Improved Electrical Capacitance Method (2022)Tribology transactions, 65(5), 869-879. Shetty, P., Meijer, R. J., Osara, J. A. & Lugt, P. M.https://doi.org/10.1080/10402004.2022.2091067Evaluating the oxidation properties of lubricants via non-isothermal thermogravimetric analysis: Estimating induction times and oxidation stability (2022)Tribology international, 171. Article 107569. Smook, L. A., Chatra K.R., S. & Lugt, P. M.https://doi.org/10.1016/j.triboint.2022.107569Modeling impact of grease mechanical ageing on bleed and permeability in rolling bearings (2022)Tribology international, 170. Article 107507. Akchurin, A., Ende, D. v. d. & Lugt, P. M.https://doi.org/10.1016/j.triboint.2022.107507Thermodynamic Characterization of Grease Oxidation-Thermal Stability via Pressure Differential Scanning Calorimetry (2022)Tribology transactions, 65(3), 542-554. Osara, J. A., Lugt, P. M., Bryant, M. D. & Khonsari, M. M.https://doi.org/10.1080/10402004.2022.2050452The Grease Life Factor concept for ball bearings (2022)Tribology international, 169. Article 107460. Lugt, P. M. & Berens, F.https://doi.org/10.1016/j.triboint.2022.107460Grease Life Prognostics: Remaining Grease Life Estimation by Measuring Grease Properties and Using Predictive Models (2022)[Contribution to conference › Poster] M2i Conference 2021. Hogenberk, F., Osara, J. A. & Lugt, P. M.Grease Performance in Ball and Roller Bearings for All-Steel and Hybrid Bearings (2022)Tribology transactions, 65(1), 1-13. Lugt, P. M., van Zoelen, M. T., Vieillard, C., Berens, F., Gruell, R., Preisinger, G. & Meaney, P.https://doi.org/10.1080/10402004.2021.1889731The Grease Worker and its Applicability to Study Mechanical Aging of Lubricating Greases for Rolling Bearings (2022)Tribology transactions, 65(1), 32-45. Meijer, R. J. & Lugt, P. M.https://doi.org/10.1080/10402004.2021.1979151
2021
The importance of the work of Duncan Dowson for modeling grease lubrication in rolling bearings (2021)Proceedings of the Institution of Mechanical Engineers. Part J: Journal of engineering tribology, 235(12), 2614-2615. Lugt, P. M.https://doi.org/10.1177/13506501211047736A Model Configuration for Studying Stationary Grease Bleed in Rolling Bearings (2021)Tribology transactions, 64(6), 1127-1137. Zhang, Q., Mugele, F., Ende, D. v. d. & Lugt, P. M.https://doi.org/10.1080/10402004.2021.1904071Effect of start-stop motion on contact replenishment in a grease lubricated deep groove ball bearing (2021)Tribology international, 157. Article 106882. Cen, H. & Lugt, P. M.https://doi.org/10.1016/j.triboint.2021.106882An Evaporation Model for Base Oil from Grease-Lubricated Rolling Bearings including Breathing (2021)Tribology transactions, 64(5), 891-902. Shetty, P., Meijer, R. J. & Lugt, P. M.https://doi.org/10.1080/10402004.2021.1943088The process of churning in a grease lubricated rolling bearing: Channeling and clearing (2021)Tribology international, 153. Article 106661. Chatra K.R., S. & Lugt, P. M.https://doi.org/10.1016/j.triboint.2020.106661
2020
Replenishment of the EHL contacts in a grease lubricated ball bearing (2020)Tribology international, 146. Article 106064. Cen, H. & Lugt, P. M.https://doi.org/10.1016/j.triboint.2019.106064Characterizing the fluid–matrix affinity in an organogel from the growth dynamics of oil stains on blotting paper (2020)Soft matter, 16(17), 4200-4209. Zhang, Q., Mugele, F., Lugt, P. M. & van den Ende, D.https://doi.org/10.1039/C9SM01965KChanneling behavior of lubricating greases in rolling bearings: Identification and characterization (2020)Tribology international, 143. Article 106061. Chatra K R, S. & Lugt, P. M.https://doi.org/10.1016/j.triboint.2019.106061On the application of the mechanical aging Master Curve for lubricating greases to rolling bearings (2020)Tribology international, 141. Article 105918. Zhou, Y. & Lugt, P. M.https://doi.org/10.1016/j.triboint.2019.105918
2019
An Experimental Study on Film Thickness in a Rolling Bearing for Fresh and Mechanically Aged Lubricating Greases (2019)Tribology transactions, 62(4), 557-566. Zhou, Y., Bosman, R. & Lugt, P. M.https://doi.org/10.1080/10402004.2018.1539202On the Shear Stability of Dry and Water-Contaminated Calcium Sulfonate Complex Lubricating Greases (2019)Tribology transactions, 62(4), 626-634. Zhou, Y., Bosman, R. & Lugt, P. M.https://doi.org/10.1080/10402004.2019.1588445Film thickness in a grease lubricated ball bearing (2019)Tribology international, 134, 26-35. Cen, H. & Lugt, P. M.https://doi.org/10.1016/j.triboint.2019.01.032A capillary-based model system for hydrodynamic spreading in porous media (2019)[Contribution to conference › Poster] JMBC Burgers Symposium 2019. Zhang, Q., Mugele, F., van den Ende, D. & Lugt, P. M.A Master Curve for the Shear Degradation of Lubricating Greases with a Fibrous Structure (2019)Tribology transactions, 62(1), 78-87. Zhou, Y., Bosman, R. & Lugt, P. M.https://doi.org/10.1080/10402004.2018.1496304
2018
The Microstructure of Calcium Sulfonate Complex Lubricating Grease and Its Change in the Presence of Water (2018)Tribology transactions, 61(5), 842-849. Bosman, R. & Lugt, P. M.https://doi.org/10.1080/10402004.2018.1431752A Model for Shear Degradation of Lithium Soap Grease at Ambient Temperature (2018)Tribology transactions, 61(1), 61-70. Zhou, Y., Bosman, R. & Lugt, P. M.https://doi.org/10.1080/10402004.2016.1272730
2017
A Model for Shear Degradation of Lithium Soap Grease at Ambient Temperature (2017)Power Transmission Engineering, 11(7), 38-46. Zhou, Y., Bosman, R. & Lugt, P. M.Characterization of friction and wear behavior of friction modifiers used in wheel-rail contacts (2017)International Journal of Prognostics and Health Management, 8(3, Special Issue 7). Oomen, M. A., Bosman, R. & Lugt, P. M.https://doi.org/10.36001/ijphm.2017.v8i3.2663Generation of wear particles and running-in in mixed lubricated sliding contacts (2017)Tribology international, 110, 201-208. Akchurin, A., Bosman, R. & Lugt, P. M.https://doi.org/10.1016/j.triboint.2017.02.019The Impact of Water on the Yield Stress and Startup Torque of Lubricating Greases (2017)Tribology transactions, 60(5), 824-831. Cyriac, F., Lugt, P. M. & Bosman, R.https://doi.org/10.1080/10402004.2016.1215583
2016
A stress-criterion-based model for the prediction of the size of wear particles in boundary lubricated contacts (2016)Tribology letters, 64(3), 35-. Article 35. Akchurin, A., Bosman, R. & Lugt, P. M.https://doi.org/10.1007/s11249-016-0772-xAnalysis of Wear Particles Formed in Boundary-Lubricated Sliding Contacts (2016)Tribology letters, 63(2), 16-. Article 16. Akchurin, A., Bosman, R., Lugt, P. M. & van Drogen, M.https://doi.org/10.1007/s11249-016-0701-zEffect of Thickener Particle Geometry and Concentration on the Grease EHL Film Thickness at Medium Speeds (2016)Tribology letters, 61(2), 1-13. Article 18. Cyriac, F., Lugt, P. M., Bosman, R., Padberg, C. J. & Venner, C. H.https://doi.org/10.1007/s11249-015-0633-zImpact of Water on EHL Film Thickness of Lubricating Greases in Rolling Point Contacts (2016)Tribology letters, 61(3). Article 23. Cyriac, F., Lugt, P. M., Bosman, R. & Venner, C. H.https://doi.org/10.1007/s11249-016-0642-6Impact of Water on the Rheology of Lubricating Greases (2016)Tribology transactions, 59(4), 679-689. Cyriac, F., Lugt, P. M. & Bosman, R.https://doi.org/10.1080/10402004.2015.1107929Modern advancements in lubricating grease technology (2016)Tribology international, 97, 467-477. Lugt, P. M.https://doi.org/10.1016/j.triboint.2016.01.045On a new method to determine the yield stress in lubricating grease (2016)Tribology & lubrication technology, 72(3), 60-72. Cyriac, F., Lugt, P. M. & Bosman, R.http://cdn.coverstand.com/5716/290675/b0598a27ac178a5a297b439a3b76badaf446a9c7.8.pdfThe influence of bearing grease composition on friction in rolling/sliding concentrated contacts (2016)Tribology international, 94, 624-632. De Laurentis, N., Kadiric, A., Lugt, P. M. & Cann, P. M.https://doi.org/10.1016/j.triboint.2015.10.012Yield Stress and Low-Temperature Start-Up Torque of Lubricating Greases (2016)Tribology letters, 63(1). Article 6. Cyriac, F., Lugt, P. M. & Bosman, R.https://doi.org/10.1007/s11249-016-0693-8
2015
On a New Method to Determine the Yield Stress in Lubricating Grease (2015)Tribology transactions, 58(6), 1021-1030. Cyriac, F., Lugt, P. M. & Bosman, R.https://doi.org/10.1080/10402004.2015.1035414On a model for the prediction of the friction coefficient in mixed lubrication based on a load-sharing concapt with measured surface roughness (2015)Tribology letters, 59(1). Article 19. Akchurin, A., Bosman, R., Lugt, P. M. & van Drogen, M.https://doi.org/10.1007/s11249-015-0536-z
2014
Film thickness in grease lubricated slow rotating rolling bearings (2014)Tribology international, 74, 7-19. Morales-Espejel, G. E., Lugt, P. M., Pasaribu, H. R. & Cen, H.https://doi.org/10.1016/j.triboint.2014.01.023Film thickness of mechanically worked lubricating grease at very low speeds (2014)Tribology transactions, 57(6), 1066-1071. Cen, H., Lugt, P. M. & Morales-Espejel, G. E.https://doi.org/10.1080/10402004.2014.933936Free-surface grease flow on a rotating plate (2014)Tribology letters, 56(2), 317-325. Westerberg, L. G., Li, J., Höglund, E., Lugt, P. M. & Baart, P.https://doi.org/10.1007/s11249-014-0411-3Lubricating grease shear flow and boundary layers in a concentric cylinder configuration (2014)Tribology transactions, 57(6), 1106-1115. Li, J. X., Westerberg, L. G., Höglund, E., Lugt, P. M. & Baart, P.https://doi.org/10.1080/10402004.2014.937886On the film thickness of grease-lubricated contacts at low speed (2014)Tribology transactions, 57(4), 668-678. Cen, H., Lugt, P. M. & Morales-Espejel, G. E.https://doi.org/10.1080/10402004.2014.897781On the normal stress effect in grease-lubricated bearing seals (2014)Tribology transactions, 57(5), 939-943. Baart, P., Lugt, P. M. & Prakash, B.https://doi.org/10.1080/10402004.2014.935120The grease lubrication mechanisms in rolling bearings (2014)Euro Grease, 2014(1), 27-34. Lugt, P. M.
2013
Effective Viscosity Determination for Lubrication Systems Using the Lincoln Ventmeter (2013)Tribology transactions, 56(5), 771-780. Conley, P., He, C. & Lugt, P. M.https://doi.org/10.1080/10402004.2013.788237Film Thickness Model for Grease-Lubricated Bearing Seals with an Axial Contacting Lip (2013)Tribology transactions, 56(1), 109-114. Baart, P., van Zoelen, M. T. & Lugt, P. M.https://doi.org/10.1080/10402004.2012.729297The ROF+ methodology for grease life testing (2013)NLGI Spokesman, 77(1), 18-27. Lugt, P. M., van den Kommer, A., Lindgren, H. & Deinhofer, L.http://www.skf.com/binary/81-65473/The-R0F_plus-methodology-for-grease-life-testing.pdf
2012
The composition of reaction layers on rolling bearings lubricated with gear oils and its correlation with rolling bearing performance (2012)Tribology transactions, 55, 351-356. Pasaribu, H. R. & Lugt, P. M.Thin layer flow and film decay modeling for grease lubricated rolling bearings (2012)Tribology international, 47, 175-187. Venner, C. H., van Zoelen, M. T. & Lugt, P. M.https://doi.org/10.1016/j.triboint.2011.10.019μPIV measurement of grease velocity profiles in channels with two different types of flow restrictions (2012)Tribology international, 54, 94-99. Li, J. X., Hoglund, E., Westerberg, L. G., Green, T. M., Lundstrom, T. S., Lugt, P. M. & Baart, P.https://doi.org/10.1016/j.triboint.2012.03.007
2011
A New Method to Visualize Grease Flow in a Double Restriction Seal Using Microparticle Image Velocimetry (2011)Tribology transactions, 54(5), 784-792. Green, T. M., Baart, P., Westenberg, L. G., Lundstrom, T. S., Hoglund, E., Lugt, P. M. & Li, J. X.https://doi.org/10.1080/10402004.2011.604759A Review of Elasto-Hydrodynamic Lubrication Theory (2011)Tribology transactions, 54(3), 470-496. Lugt, P. M. & Morales-Espejel, G. E.https://doi.org/10.1080/10402004.2010.551804Contaminant Migration in the Vicinity of a Grease Lubricated Bearing Seal Contact (2011)Journal of tribology, 133(4), -. Baart, P., Lugt, P. M. & Prakash, B.https://doi.org/10.1115/1.4004880The Influence of Speed, Grease Type, and Temperature on Radial Contaminant Particle Migration in a Double Restriction Seal (2011)Tribology transactions, 54(6), 867-877. Baart, P., Green, T. M., Li, J. X., Lundstrom, T. S., Westerberg, L. G., Hoglund, E. & Lugt, P. M.https://doi.org/10.1080/10402004.2011.609308
2010
Free Surface Thin Layer Flow in Bearings Induced by Centrifugal Effects (2010)Tribology transactions, 53(3), 297-307. van Zoelen, M. T., Venner, C. H. & Lugt, P. M.https://doi.org/10.1080/10402000903283284The Prediction of Contact Pressure-Induced Film Thickness Decay in Starved Lubricated Rolling Bearings (2010)Tribology transactions, 53(6), 831-841. van Zoelen, M. T., Venner, C. H. & Lugt, P. M.https://doi.org/10.1080/10402004.2010.492925
2009
Friction in highly loaded mixed lubricated point contacts (2009)Tribology transactions, 52(3), 360-369. Liu, Q., ten Napel, W., Tripp, J. H., Lugt, P. M. & Meeuwenoord, R.https://doi.org/10.1080/10402000802563133Prediction of film thickness decay in starved elasto-hydrodynamically lubricated contacts using a thin layer flow model (2009)Proceedings of the Institution of Mechanical Engineers. Part J: Journal of engineering tribology, 223(3), 541-552. van Zoelen, M. T., Venner, C. H. & Lugt, P. M.https://doi.org/10.1243/13506501JET524
2008
Centrifugal effects and free surface thin layer flow in roller bearings (2008)[Contribution to conference › Paper] 2008 Annual Meeting of the Society of Tribologists and Lubrication Engineers, STLE 2008. Van Zoelen, M., Venner, C. & Lugt, P.Film Thickness Modulations in Starved Elastohydrodynamically Lubricated Contacts Induced by Timne-Varying Lubricant Supply (2008)Journal of tribology, 130(4), 041501-1-041501-10. Venner, C. H., Popovici, G. & Lugt, P. M.https://doi.org/10.1115/1.2958069Free Surface Thin Layer Flow on Bearing Raceways (2008)Journal of tribology, 130(2). Article 021802. van Zoelen, M. T., Venner, C. H. & Lugt, P. M.https://doi.org/10.1115/1.2805433
2004
Effects of load system dynamics on the film thickness in EHL contacts during start up (2004)Journal of tribology, 126(2), 258-266. Popovici, G., Venner, C. H. & Lugt, P. M.https://doi.org/10.1115/1.1645296Influence of longitudinal roughness on friction in EHL contacts (2004)Journal of tribology, 126(3), 258-266. Jacod, B. C., Venner, C. H. & Lugt, P. M.https://doi.org/10.1115/1.1705664Waviness Deformation in starved EHL circular contacts (2004)Journal of tribology, 126(2), 248-257. Venner, C. H., Berger, G. & Lugt, P. M.https://doi.org/10.1115/1.1572514
2003
Extension of the Friction Mastercurve to Limiting Shear Stress Models (2003)Journal of tribology, 125(4), 739-746. Jacod, B. C., Venner, C. H. & Lugt, P. M.https://doi.org/10.1115/1.1572513
2002
Effects of surface micro-geometry on the lift-off speed of an EHL contact (2002)Tribology transactions, 45(1), 21-30. Masen, M. A., Venner, C. H., Lugt, P. M. & Tripp, J. H.https://doi.org/10.1080/10402000208982517
2001
A generalized traction curve for EHL contacts (2001)Journal of tribology, 123(2), 248-253. Jacod, B., Venner, C. H. & Lugt, P. M.https://doi.org/10.1115/1.1308021Influence of surface topography on friction, film breakdown and running-in in the mixed lubrication regime (2001)Proceedings of the Institution of Mechanical Engineers. Part J: Journal of engineering tribology, 215(6), 519-533. Lugt, P. M., Severt, R. W. M., Fogelström, J. & Tripp, J. H.https://doi.org/10.1243/1350650011543772
2000
Amplitude reduction of waviness in elastohydrodynamic lubrication using an Eyring fluid model (2000)Proceedings of the Institution of Mechanical Engineers. Part J: Journal of engineering tribology, 214(4), 343-350. Jacod, B. C., Lugt, P. M., Dumont, M. L., Tripp, J. H. & Venner, C. H.https://doi.org/10.1243/1350650001543232
1995
The influence of elastic deformation on the roll and the sheet in a hydrodynamically lubricated cold rolling process (1995)Journal of tribology, 117(3), 468-475. Lugt, P. M. & ten Napel, W. E.https://doi.org/10.1115/1.2831277
1993
Lubrication in cold rolling: Elasto-plasto-hydrodynamic lubrication (1993)Wear, 166(2), 203-214. Lugt, P. M., Wemekamp, A. W., ten Napel, W. E., van Liempt, P. & Otten, J. B.https://doi.org/10.1016/0043-1648(93)90263-L