@book{134457,
	author = {Matson, Johnny L. and Frame, Cynthia L.},
	title = {Psychopathology among mentally retarded children and adolescents /},
	publisher = {Sage Publications,},
	year = {c1986.},
	address = {Beverly Hills :},
	note = {Includes indexes.},
	url = {http://www.loc.gov/catdir/enhancements/fy0654/85014388-d.html}
}