000 00282nam a2200121Ia 4500
008 190415s9999 xx 000 0 und d
082 _aRG.0068
100 _aGeorge, P.S.
245 0 _aDynamics of the Paddy-rice system in India
260 _c1973
300 _a206p.
942 _cBK
999 _c12940
_d12940