00413nam a2200157Ia 4500003000400000008004100004082001600045100001700061245003800078250001200116260005300128300001400181650001800195650002300213650001900236OSt170901s1968    xx            000 0 und d  a581.2bS48P  aSingh, R. S. 0aPlant Diseases / bby R. S. Singh  a3rd ed.  a.- Calcuttab: Oxford and IBH Publishingc, 1968  axvi,494p.  aPure Sciences  aBotanical Sciences  aPlant Diseases