TY  - BOOK
AU  - Bergmann, Hellmuth
TI  - GUIDE TO THE ECONOMIC EVALUATION OF IRRIGATION PROJECTS
U1  - 333.913 
PY  - 1973///
CY  - Paris
PB  - Oecd
KW  - Irrigation -- Economic Aspects
N1  - Bibl. : P. 125-133
ER  -