000			00564nam a2200169 a 4500
005			20180327165838.0
008			040205s19uu xx 00 eng d
020			_a0416121209
100			_aVernon, Philip E.
245			_aIntelligence and cultural environment / _cPhilip E. Vernon.
260			_aLondon : _bMethuen, _cc1969.
300			_aviii, 264 p. : ill.
650			_aChildren _xIntelligence levels _xEnvironmental aspects.
650			_aChildren _xIntelligence levels _xSocial aspects.
650			_aIntelligence tests _xEnvironmental aspects.
942			_2ddc
999			_c81032 _d81032