00373nam a2200145Ia 4500008004100000082001600041100001700057245001900074250000600093260006000099300000800159650002300167650001800190653001900208170901s1968    xx            000 0 und d  a581.2bS48P  aSingh, R. S. 0aPlant Diseases  a2  aCalcuttabOxford and IBH Publishing Co. Pvt. Ltd.c1968  a494  aBotanical sciences  aPure Sciences  aPlant diseases