@incollection{Pah01l,
	author = "C. Pahl",
	title = "{XML-Technologies for the Support of Active Learning in Interoperable and Open Web-based Learning Environments}",
	editor = "",
	booktitle = "{Proc. 6th WebNet 2001 World Conference on the WWW and Internet}",
	pages = "",
	publisher = "AACE",
	year = 2001,
	note = ""
	}