@book{4791,
	author = {Hanson, Marci J. and Hanson, Marci J.},
	title = {Teaching the infant with Down syndrome :},
	publisher = {PRO-ED,},
	year = {c1987.},
	address = {Austin, Tex. :},
	edition = {2nd ed.},
	note = {Rev. ed. of: Teaching your Down's syndrome infant. c1977.}
}