@book{89821,
	author = {Conference on Intellective Development and Kessen, William.},
	title = {Thought in the young child},
	publisher = {University of Chicago Press},
	year = {1970.},
	series = {A Phoenix book ;},
	address = {Chicago},
	note = {First published 1962 as v. 27, no. 2 of the Monographs of the Society for Research in Child Development.}
}