000			00411nam a2200157Ia 4500
003			NIELib
008			211019s9999||||xx |||||||||||||| ||und||
020			_a0-415-16890-2
082			_a121.2 _bPIA
100			_aPiaget, Jean _92193
245			_aThe principles of genetic epistemology
260			_bRoutledge. _c1997, _aLondon:
300			_aVol.7 98p. _c22cm
650		0	_92195 _aEpistemology
942			_2ddc _cLM
999			_c80773 _d80773