Gesell, Arnold Lucius El niño de 11 y 12 años Arnold Gesell, Frances L. Ilg [and] Louise Bates Ames ; translated by Eduardo Loedel. - Barcelona Ediciones Paidós Ibérica c1985. - 126 p. 20 cm. - Paidos Educador 27 . Translation of: Youth: the years from ten to sixteen. ISBN: 8475091423 LCCN: buc92000498 Subjects--Topical Terms: AdolescenceChild development LC Class. No.: HQ796 / .G4418 1985 Dewey Class. No.: 155.5 / G392y