MacHardy, William E. Apple scab : biology, epidemiology and management / by William E. MacHardy - St. Paul, Minn. : APS Press - 545 p. LCCN: 203617 Subjects--Topical Terms: Manzana -- enfermedadesManzana -- enfermedades por hongos Dewey Class. No.: PA 634.11 M3