00263nam a22001097a 4500003000400000008004100004082001600045100002300061245003400084260002700118300000800145OSt240518b        |||||||| |||| 00| 0 eng d  a631.3bS11E  aSahay, Jagadishwar  aElement of agricultural engg.  aPatnabAgro bookc1977  a412