00481cam a2200205Ia 45000010005000000030003000050050017000080080041000250200015000660350018000810350017000990410008001160500023001241000011001472450038001582500010001962600030002063000011002366500028002474198UR20220427202246.0980401s1992            r     00010 spa d  a9684640242  a(janium) 4187  a(janium)4187  aspa 4aTA439b.A3518 1983  aIMCYC. 0aAditivos para concreto/c/ IMCYC.  a1 Ed.  aMéxico bIMCYC  c1992.  a166 p.  aAditivos para concreto.