@book{181079,
	author = {Gesell, Arnold Lucius},
	title = {El niño de 13 y 14 años},
	publisher = {Editorial Paidós},
	year = {2000.},
	series = {Guías para padres - Serie Gesell},
	address = {Barcelona},
	note = {Translation of: Youth, the years from ten to sixteen (chapters 13 and 14).}
}