000 00320nam a22001337a 4500
003 OSt
008 240715b |||||||| |||| 00| 0 eng d
082 _a631.072054
_bY-1C
100 _aYadava, N.D.
245 _aCropping system research in India1980-91
260 _aIPD, Delhi
_c1994
300 _a259
942 _2ddc
_cRP
999 _c41176
_d41176