000 00424nam a22001217a 4500
008 150908b xxu||||| |||| 00| 0 eng d
020 _a9264114831
082 _a631 .1 BER
100 _aBERGMANN, HELLMUTH.
_cHELLMUTH, BERGMANN AND JEAN -MARC BOUSSARD.
245 _aGUID TO THE ECONOMIC EVALUATION OF IRRIGATION PROJECTS
250 _a1ST
260 _aPARIS,
_bORGANISATION FOR ECONOMIC CO-OPERATION AND DEVELOPMENT:
_c1976.
999 _c2558
_d2558