00892nam0-22003011i-450-99000798814040332120050510144356.0000798814FED01000798814(Aleph)000798814FED0100079881420050120d1969----km-y0itay50------baengUSy-------001yyStudies in cognitive developmentessays in honor of Jean Piaget[edited by] David Elkind, John H. FlavellNew YorkOxford University Press1969XIX, 503 p.ill.24 cmPiaget,Jean<1896-1980>Elkind,DavidFlavell,John H.ITUNINARICAUNIMARCBK990007988140403321XI F AAVV 361413DFDDFDStudies in cognitive development752139UNINA