00674cam a2200241 a 45000010005000000030003000050050017000080080041000250200015000660350018000810350017000990410008001160500021001241000019001452450072001642500010002362600035002463000011002815000020002926500014003129520089003269990017004153248UR20220427190813.0930525s1985            r     00010 spa d  a9684640404  a(janium) 3237  a(janium)3237  aspa 4aTA439b.P76 1985  aRopke, John C. 0aProblemas en el concretob : causas y soluciones/c/ John C. Ropke.  a1 Ed.  aMéxico D.F bIMCYC.  c1985.  a265 p.  aIncluye indice.  aConcreto.  00102lcc40728PRESaURBCbURBCcPRESd2022-04-27oTA439 .P76 1985p0067207yLIBRO  c16406d16406