@inproceedings{conf/ht/KetterlEB08,
	title = {Social selected learning content out of web lectures.},
	author = {Markus Ketterl and Johannes Emden and Jörg Brunstein},
	booktitle = {Hypertext},
	crossref = {conf/ht/2008},
	editor = {Peter Brusilovsky and Hugh C. Davis},
	pages = {231-232},
	publisher = {ACM},
	url = {http://dblp.uni-trier.de/db/conf/ht/ht2008.html#KetterlEB08},
	year = {2008},
	biburl = {http://www.bibsonomy.org/bibtex/2f8a55ff1622a470ee2111ba0f0aa76a0/dblp},
	description = {dblp},
	date = {2008-06-30}, ee = {http://doi.acm.org/10.1145/1379092.1379140}, isbn = {978-1-59593-985-2},
	keywords = {dblp }
}