@book{43789,
	author = {Bulla, Clyde Robert. and Otani, June,},
	title = {What makes a shadow? /},
	publisher = {HarperCollins,},
	year = {c1994.},
	address = {New York, NY :},
	edition = {Rev. ed.},
	url = {http://www.loc.gov/catdir/description/hc041/92036350.html}
}