00580nam a2200193Ia 4500 333.913 Or68.GE Organisation for Economic Cooperation and Development, Paris Guide to the economic evaluation of irrigation project Ed. by Hellmuth Bergmann and Jean Marc Boussard Rev. Paris The Auth. 1976 257p. "Lib. also has 1973 ed." Bergmann, Hellmuth ; ed. Boussard, Jean Marc ; jt. ed. 0 0 0 0 ISI ISI 1998-08-27 0 333.913 Or68.GE DP7435 2019-02-14 00:00:00 2019-02-14 BK 0 0 0 0 ISI ISI 1998-08-27 0 333.913 Or68.GE DP10866 2019-02-14 00:00:00 2019-02-14 BK 6704 6704 6704