@book{12136,
	author = {Volkmar, Fred R. and Volkmar, Fred R.},
	title = {Autism and pervasive developmental disorders /},
	publisher = {Cambridge University Press,},
	year = {2007},
	address = {New York :},
	edition = {Second edition},
	url = {http://www.loc.gov/catdir/toc/fy0713/2007277283.html}
}