@book{66786,
	author = {GESSELL, Arnold and trad. LEODEL, Eduardo\ trad. FABRICANT, LuisÌ},
	title = {El niño de 1 a 4 años / aut. Arnold Gesell },
	publisher = {Paidós},
	address = {México },
	note = {Traducción de: The firs fice years of life. A guide to the study of the preschool child}
}