000 00474nam a2200181Ia 4500
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020 _c90
040 _aMAIN
041 _aEnglish
082 _a660
_bPEC
100 _aPecsok, Robert L and Chapman, Kenneth
245 _aModern chemical technology
260 _aWashington
_bAmerican Chemical Society
_c1970
300 _aVarious pages
_bV.1
650 _aChemical engineering
942 _cBK
999 _c34435
_d34435