00655cam a22002177a 4500003000500000005001700005008004100022010001000063011001000073020001500083035001000098040000900108100002000117245011700137260008500254300001900339650002000358650002500378700001700403700001700420CHAP20220329142240.0000327d1992    mx a    r     00110 eng d  a80553  a81525  a968612747X  a91997  cCHAP00aRoelfs, Alan P.10aRust diseases of wheat :bconcepts and methods of disease managementc/by A.P. Roelfs, R.P. Singh and E.E. Saari  aMéxico, D. F :bCentro Internacional de Mejoramiento de Maíz y Trigo,c1992.  a81 p. :bilus.14aRoya del trigo.14aTrigoxEnfermedades.0 aSaari, Eino.0 aSingh, R. P.