000 00307nam a2200121Ia 4500
008 170101s1979 xx 000 0 und d
082 _a636.089 SET
100 _aSethi, G.R ed
245 0 _aImproving crop and animal productivity
260 _aNew Delhi
_bOxford
_c1979
300 _aP.629
942 _2ddc
_cBK
999 _c10631
_d10631