@book{1056,
	author = {Gesell, Arnold Lucius},
	title = {El niño de 7 y 8 años},
	publisher = {Paidós},
	year = {1971, c 1967.},
	series = {Biblioteca del educador contemporáneo, 57.},
	address = {Buenos Aires},
	edition = {6 ed.},
	note = {Translation of : The child from five to ten.}
}