00754nam0-22002651i-450-99000414537040332120080328112815.0000414537FED01000414537(Aleph)000414537FED0100041453719990604d1970----km-y0itay50------baengy-------00-c-Children and adolescentsInterpretive essays on Jean PiagetDavid ElkindNew YorkOxford University Press1970XII22 cmElkind,David154112ITUNINARICAUNIMARCBK990004145370403321P.1 PSV 14I.P.289FLFBCFLFBCChildren and adolescents475249UNINA