00353nam a2200145Ia 4500008004100000082001600041100002300057245002100080250000600101260003100107300000800138650002300146650001800169653002000187170901s1975 xx 000 0 und d a581.2bW13P aWakar, John Charls 0aPadap Rog Vigyan a1 aPantnagarbGBPUAandTc1975 a863 aBotanical sciences aPure Sciences aPlant pathology