@book{18243,
	author = {Bearison, David J. and Dorval, Bruce. and ebrary, Inc.},
	title = {Collaborative cognition},
	publisher = {Ablex Pub.,},
	year = {2002.},
	series = {Advances in discourse processes},
	address = {Westport, Conn. :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10005568}
}