00598nam a2200193Ia 4500082002300000100001700023245003000040260002700070300001300097500002600110500000500136690000600141700000500147952010400152952010400256964001700360921001000377999001700387  a338.16317bC592.EI  aClark, Colin  aEconomics of irrigationb  aOxfordbPergamonc1967  ax, 116p.  aLib. has:- 1967, 1970  a  a   a  00104070aISIbISId1998-09-24l0o338.16317 C592.EIpDP2747r2019-02-14 00:00:00w2019-02-14yBK  00104070aISIbISId1998-09-24l0o338.16317 C592.EIpDP4204r2019-02-14 00:00:00w2019-02-14yBK  abcdefg  a13809  c13809d13809