000			00306nam a2200121Ia 4500
008			210324s1971 xx 000 0 und d
082			_a333.913 _bCLA/E
100			_aClark, Colin. _9341881
245			_aEconomics of irrigation.
260			_c1971
650			_aNO SUBJECT _9341882
700			_aN.A. _9341883
999			_c281177 _d281177