000 00301nam a2200133Ia 4500
008 221219s9999 xx 000 0 und d
100 _aS. S. Singh
245 0 _aPrinciples & Practices of Agronomy
250 _a5th
260 _bKalyani
650 _aAgronomy
700 _aR.Singh
942 _cBK
999 _c2055
_d2055