00288nam a2200109Ia 450000500170000000800410001708200120005810000200007024500360009026000440012630000080017020260224040939.0260224s9999||||xx |||||||||||||| ||und||  a630 DAS  aDasgupta, D.K.  0aModern concepts in agriculture.  aLucknow : International Book  Co.c2005  a152