@book{443,
	author = {Piaget, Jean,},
	title = {The child's conception of the world /},
	publisher = {Rowman & Littlefield,},
	year = {2007.},
	address = {Lanham, Md. :},
	note = {Originally published: London ; New York : Routledge, 1997. With new pref.}
}