00294nam a2200109Ia 450000500170000000800410001708200140005810000220007224500380009426000440013230000080017620260224040816.0260224s9999||||xx |||||||||||||| ||und||  a581.2 ANN  aJames G Horsfall  0aAnnual review of phytopathology.   aPalo Alto, Calif. Annual Reviews c1964  a423