@book{90128,
	author = {Gesell, Arnold Lucius and Ilg, Frances Lillian},
	title = {El niño de 15 y 16 años},
	publisher = {Editorial Paidós},
	year = {1979.},
	series = {Biblioteca del educador contemporáneo ; 61},
	address = {Buenos Aires},
	note = {At head of title: Arnold Gesell y otros Del Gesell Institute of Child Development y de la Yale Clinic of Child Development.}
}