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082 _a591.19/Su66C
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100 _ajames b. sumner
245 0 _achemistry and methods of enzymes
260 _anewyork
260 _bacademic press inc
260 _c1953
300 _axvi,462
650 _achemistry and methods of enzymes
700 _ag. fred somers
942 _cBook
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999 _c6637
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