@book{78638,
	author = {Pérez Pereira, Miguel. and Conti-Ramsden, Gina.},
	title = {Language development and social interaction in blind children /},
	publisher = {Psychology Press,},
	year = {c1999},
	series = {Essays in developmental psychology.},
	address = {UK :},
	url = {http://www.loc.gov/catdir/enhancements/fy0652/00551940-d.html}
}