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041 _aeng
082 _a503
_bSCI
100 _aScience And Invention Encylopedia
245 _aScience And Invention Encylopedia Vol 6
_cby Science And Invention Encylopedia Vol 6
260 _aAmerica
_bH.S.Stuttman Inc.
_c1987
300 _a828p.
650 _aScience
942 _cBK
999 _c13650
_d13650