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041 _aeng
082 _aIBM4381
110 _aIEEE
245 0 _aTWENTY-FIFTH ANNUAL PETROLEUM AND CHEMICAL INDUSTRY
250 _aS.E.
260 _aS.L.
260 _aSin Pais
_bIEEE
_c1978
300 _a280
942 _c01
010 _a26197
999 _c214380
_d214380