000			00534nam a2200157Ia 4500
008			140208s9999 xx 000 0 und d
020			_a9780070792807
044			_aU.S.A.
080			_a503 M1785
100			_aParker, Sybil P., ed.
245			_aMc Graw-Hill encyclopedia of science and technology : an international reference work in fifteen volumes including an index v.3 (cha-cyt) _cedited by Sybil P. Parker
250			_a5th ed.
260			_bMcGraw-Hill Book _aNew York _c1982
300			_a861 p.; 29cm.
942			_2udc _cREF
999			_c11075 _d11075