000			00363nam a2200157Ia 4500
008			200208s9999 xx 000 0 und d
082			_aGL 146.32
100			_a"Cornforth, Maurice"
245		0	_aDialectical materialism
260			_aCalcutta
260			_bNational
260			_c1955
300			_a271 p.
650			_aKnowledge Theory of
942			_cREF
999			_c183502 _d183502