@book{Hoppe2007,
	title = {The Role of Technology in CSCL: Studies in Technology Enhanced Collaborative Learning (Computer-Supported Collaborative Learning Series) },
	editor = {Ulrich H. Hoppe and H. Ogata and A. Soller},
	note = {ISBN: 978-0-387-71135-5},
	series = {Computer-Supported Collaborative Learning Series  , Vol. 9 },
	year = {2007},
	biburl = {http://www.bibsonomy.org/bibtex/272eab913f1086449a017365f3c5f841f/griesbau},
	keywords = {collaboration collaborative cscl cvk learning }
}