@book{37692,
	author = {Illingworth, Ronald Stanley. and Dubowitz, Victor.},
	title = {El niño normal :},
	publisher = {Manual Moderno,},
	year = {1991.},
	address = {Mexico :},
	edition = {4a ed.},
	note = {Titulo original. The normal child : some problems of the early years and their treatment.}
}