000			00318nam a2200121Ia 4500
008			130903s9999 xx 000 0 und d
082			_a631.67:33(047) M0
245			_aStudies in economics of irrigation.
260			_aNew Delhi _bI.A.R.I. _c1980
300			_a126p.
650			_aIrrigation-Economics
942			_cGRBK
999			_c81423 _d81423