000			00407nam a2200133Ia 4500
008			210901s1968 xx 000 0 eng d
082			_a503 MAC
100			_aMcGraw Hill
245		0	_aMcGraw-Hill Encyclopedia of science and technology: an international reference work in fifteen volumes including an index
260			_aLondon _bMcGraw Hill _c1968
300			_a6 v.
650			_aScience
942			_2ddc _cBK
999			_c3648 _d3648