The proceedings of the first meeting of the world health organization study group on the psychobiological development of the child / 
ed. J. M. Tanner. 
 - London :  Travistock,  1956. 
 - 240 p. :  il. 
<br/><br/>Contenido:  Disscussions on child development  v.1. 
<br/><br/><label>Encabezamiento--Tema: </label><br/>Niño, Estudio del<br/>Psicología educativa