000 00291nam a2200121Ia 4500
008 180721s9999 xx 000 0 und d
100 _a"Singh, S.S. and Singh, R."
245 0 _aPrinciples and Practices of Agronomy
260 _bKalyani
260 _c2011
365 _b195
942 _cBK
999 _c133529
_d133529