000 00323nam a2200121Ia 4500
008 190711s9999 xx 000 0 und d
082 _a627.52 I39
100 _aINDIAN INSTITUTE OF MANAGEMEMT AHMEDABAD
245 0 _aECONOMIC OF TUBE-WELL IRRIGATION
260 _aAhmedabad
_bI.I.M
_c1971
300 _a98
942 _cBK
_2DDC
999 _c16301
_d16301