Most of the e-books are available as multiple concurrent access based on IP-address University of Twente. Some publishers have restricted their access to 1 to (max) 4 users. In this case 1 (or more) person(s) are able to read the book online directly, the next readers can line up online (queue-button) to be able to read it afterwards.
Print:maximum 5% per ebook when you read online (you can only print one page at the time): you must register before being able to print.
Copy: maximum 5% per ebook when your read online (you can only copy one page at the time): you must register before being able to copy.
Download possible for 1 day only, open download while you are connected to the network in order to activate the time-stamp. It is not possible to print or copy from a downloaded book.