00416nam a2200121 a 450000100080000000500110000800800410001910000180006024501400007826000490021830000090026765300180027611133412000-10-20       1971    bl uuuu     u0uu1 u    #d1 aBROWDER, L.E.  aPathogenic specialization in cereal rust fungi, especially puccina recondita f.sp. triticibConcepts, methods of study and application.  aWashington: Research Plant Pathologistc1971  a51p.  aFITOPATOLOGIA