000 00319nam a2200121Ia 4500
008 220204s9999 xx 000 0 und d
082 _a65.012.122:63
_bPAR
100 _aParkash Mehta
245 0 _aOperations research in agriculture
260 _aNew Delhi
_bAstish
_c1985
650 _aOperations research
942 _cBK
999 _c39193
_d39193