00473cas a22001817a 450000500170000000800410001701000100005801100100006803500100007824500140008826000380010230000070014031000120014736200210015965000580018086600270023886600260026520220329142325.0000626 1986    mx m  p rnn   0   b1spa d  a81710  a82682  a9318300aComunifap0 aMéxico, D. F. :bINIFAP,c1986-  av.  aMensual  av.2 n.6-12, 198714aAgriculturaxInvestigacionxPublicaciones periodicas.  av.1 n.1-7,11-12 (1986)  av.2 n.1,4-5-12 (1987)