000			00325nam a2200133Ia 4500
008			170101s1960 xx 000 0 und d
082			_a603 M50M
245		0	_aMcGraw-Hill encyclopedia of science and technology
260			_bN.Y _c1960
300			_a15v
650			_aENCYCLOPEDIA
653			_aENCYCLOPEDIA
942			_2ddc _cB
999			_c5004 _d5004