@book{25317,
	author = {Chapin, Suzanne H. and Anderson, Nancy Canavan. and ebrary, Inc.},
	title = {Classroom discussions},
	publisher = {Math Solutions Publications,},
	year = {c2003.},
	address = {Sausalito, CA :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10223853}
}