00563nam a2200193 a 450000100080000000500110000800800410001924501180006026000320017830000090021065000200021965000110023965000380025065000110028865000110029965000220031065000250033265000120035710135932014-02-22       1992    bl uuuu     u00u1 u    #d  aSurvey for presence of citrus tristeza virus and toxoptera citricidus in Mexico and Central Americabfinal report  aSantiago (Chile): FAOc1992  a62p.  aAMERICA CENTRAL  aCITRUS  aCLOSTEROVIRUS TRISTEZA DEL CITRUS  aDAÑOS  aMEXICO  aPLAGAS DE PLANTAS  aTOXOPTERA CITRICIDUS  aVIROSIS