Techreport (CSS2.1-2007)
Bos, B.; Çelik, T.; Hickson, I. & Lie, H. W.
Bos, B.; Çelik, T.; Hickson, I. & Lie, H. W. (ed.)
Cascading Style Sheets Level 2 Revision 1 (CSS 2.1) Specification
W3C, 2007

Misc (sliding)
Bowman, D.
Sliding Doors of CSS
2003

Misc (sliding_2)
Bowman, D.
Sliding Doors of CSS II
2003

Book (citeulike:1154976)
Jendryschik, M.
Einführung in XHTML, CSS und Webdesign. Standardkonforme, moderne und barrierefreie Websites erstellen
2007

Techreport (CSS1-1999)
Lie, H. W. & Bos, B.
Cascading Style Sheets, level 1
W3C, 1999

Book (Muenz08)
Münz, S.
Webseiten professionell erstellen: Programmierung, Design und Administration von Webseiten
Addison-Wesley, 2008

Inproceedings (PrRi08a)
Prilla, M. & Ritterskamp, C.
Combining Web 2.0 and Collaboration Support Systems
2008

Inproceedings (PrHK08)
Prinz, W.; Hinrichs, E. & Kireyev, I.
Anticipative Awareness in a Groupware System
2008

Misc (css_tut)
W3Schools
CSS Tutorial
2008

Book (0321385551)
Zeldman, J.
Designing with Web Standards (Voices That Matter)
New Riders, 2006