00390nam a2200133Ia 4500008004100000082001600041100002200057245003700079260004400116300000800160650004100168650003400209653001300243170901s1977    xx            000 0 und d  a631.5bV50S  aVarma, Uday Kumar 0aSasya Vigyan Ke Mulbhoot Sidhant  aPatnabBihar Hindi Granth Academyc1977  a480  aAgriculture and related technologies  aTechnology (Applied sciences)  aAgronomy