00673cam a22002291a 450000100060000000300080000600500170001400800390003103500190007003500120008904000250010104100110012608200210013710000300015824500680018826000480025630000380030450000370034250400200037965000220039970000220042129021BD-RjUL20211209051348.0140402r19511930enka          001 0 eng  a(BD-RjUL)29106  a2166311  aLCbengcLCdBD-RjUL1 aengfre00a136.72bPIC 19511 aPiaget, Jean,d1896-1980.14aThe child's conception of physical causality /cby Jean Piaget.  aLondon :bK. Paul ;c1930 [Reprinted 1951].  aviii, 309, 7 p. :bill. ;c23 cm.  a"Translated by Marjorie Gabain."  aIncludes index. 0aChild psychology.1 aGabain, Marjorie.