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041 _aeng
082 _a503
_bSCI
100 _aScience An Invention Encyclopedia
245 _aScience An Invention Encyclopedia
_cby Science An Invention Encyclopedia
260 _aAmerica
_bH.S.Stuttman Inc.
_c1987
300 _a3348p.
650 _aScience
942 _cBK
999 _c13855
_d13855