000			00345nam a2200133Ia 4500
005			20260225050935.0
008			260224s9999||||xx |||||||||||||| ||und||
082			_a503 MCG
100			_aMcGraw-Hill Book
245		0	_aEncyclopwedia of science and technology
260			_aNew York: McGraw-Hill Book Co. _c1971
300			_a756
942			_cBBS
999			_c10078 _d10078