00642nam a22002177a 45000010005000000030003000050050017000080080041000250350018000660350017000840410008001010500022001091000029001312450032001602500012001922600031002043000011002356500026002469520135002729990017004074061UR20220427201328.0960829s1975            r     00010 spa d  a(janium) 4050  a(janium)4050  aspa 4aQD251.2b.L4 1976  aLenz del Río, Alberto. 0aQUIMICA ORGANICA ELEMENTAL.  a5a. Ed.  aMéxico bPatria  c1975.  a552 p.  aQuímica Orgánica.  001040708AGaURBCbURBCd2022-04-27eCompral0oQD251.2 L4 1976 p0004013r2022-04-27 00:00:00w2022-04-27yLIBRO zIngenieria   c26399d26399