@book{16800,
	author = {Muller, Ulrich},
	title = {Social life and social knowledge},
	publisher = {Lawrence Erlbaum Associates,},
	year = {c2008},
	series = {The Jean Piaget symposium series ;},
	address = {New York :},
	url = {http://www.netlibrary.com.libraryumpsa.idm.oclc.org/urlapi.asp?action=summary&v=1&bookid=214166}
}