@inproceedings{Ullrichetal-Presentation-ICALT04,
	title = {A Flexible and Efficient Presentation-Architecture for Adaptive Hypermedia: Description and Technical Evaluation},
	author = {C. Ullrich and P. Libbrecht and S. Winterstein and M. M{\"u}hlenbrock},
	booktitle = {Proceedings of the 4th IEEE International Conference on Advanced Learning Technologies (ICALT 2004), Joensuu, Finland},
	editor = { Kinshuk and C. Looi and E. Sutinen and D. Sampson and I. Aedo and L. Uden and E. K{\"a}hk{\"o}nen},
	pages = {21-25},
	url = {http://www.activemath.org/publications/Ullrichetal-Presentation-ICALT04.pdf},
	year = {2004},
	biburl = {http://www.bibsonomy.org/bibtex/255e677b910185e49ea5572c15ebcb8a5/carstenullrich},
	selected = {true}, rights = {public}, projects = {LeActiveMath},
	keywords = {imported }
}