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020			_a0070792925 (set) :
082	0	0	_a503 _bMCG _cL-31, P-99
245	0	0	_aMcGraw-Hill encyclopedia of science & technology : _can international reference work in twenty volumes including an index.
250			_a6th ed.
260			_aNew York : _bMcGraw-Hill, _cc1987.
300			_a20 v. : _bill. ; _c29 cm.
526			_a0 _b0 _c0 _d503_000000000000000_MCG
650		0	_aMCE _9379
650		0	_aScience _xEncyclopedias. _947100
650		0	_aTechnology _xEncyclopedias. _947101
942			_2ddc _cBK
999			_c550398 _d550398