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082 _a540
_bU61
100 _aUNITED STATES DEPARTAMENT
245 0 _aCHEMISTRY OF CEMENT
250 _a0
260 _aU.S.A.
_c1927
300 _a1124 pag
_c26 cm
341 _h0
490 _v2
_a0
505 _aPROPIERTIES/PHISYCAL
541 _d01-Feb-01
650 _aCIENCIAS PURAS
856 _zCC. Puras
942 _cLIBRO
999 _c15413
_d15413