000 00250nam a2200097Ia 4500
008 130123s9999 xx 000 0 und d
082 _a SIN
100 _aSingh, K.N.
245 _aCost Factors of Agriculture.
260 _aBombay
_bBombay N.I.B.M.
_c1973
999 _c84209
_d84209