@inproceedings{Label,
   author = {Fetter, Mirko and Gross, Tom},
   title = {PILS: Advanced Instant Messaging in e-Learning Based on an Open Implementation},
   booktitle = {Proceedings of the Seventeenth Euromicro Conference on Parallel, Distributed, and Network-Based Processing - PDP 2009},
   editor = {El Baz, Didier and Spies, Francois and Gross, Tom},
   address = {Los Alamitos},
   publisher = {IEEE Computer Society Press},
   pages = {347-354},
   keywords = {ISBN: 978-0-7695-3544-9},
}