000 00251nam a2200121Ia 4500
008 161121s9999 xx 000 0 und d
100 _aSANKARAN.S
245 0 _aPrinciples of Agronomy
260 _cNIL
365 _b0
650 _aNIL
942 _cBK
999 _c96898
_d96898