00562nam a2200205Ia 4500 170901s1991 xx 000 0 und d 632 S28B Sen, Chitreswar Biotechnology in crop protection 1 West Bengal Bidhan Chandra Krishi Viswavidyalaya 1991 292 Agriculture and related technologies Technology (Applied sciences) Biotechnology Control Plant diseases Datta, Sunil ddc BK 14388 14388 0 0 ddc 0 0 RAU RAU 2017-10-18 By author 0 632 S28B 44999 2017-10-18 1995-03-04 BK Gift