@book{11207,
	author = {Light, Paul. and Littleton, Karen. and ebrary, Inc.},
	title = {Social processes in children's learning},
	publisher = {Cambridge University Press,},
	year = {1999.},
	series = {Cambridge studies in cognitive and perceptual development},
	address = {Cambridge, U.K. ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10014912}
}