TY  - BOOK
AU  - Bergmann, Hellmuth
TI  - Guide to the economic evaluation of irrigation projects
U1  - 333.913 
PY  - 1973///
CY  - Paris
PB  - Organisation for Economic Co-operation and Development (OECD)
KW  - Architectural drawing
KW  - Irrigation projects--Evaluation
KW  - Irrigation--Economic aspects
KW  - Spirituality in art
KW  - Islamic art and symbolism
KW  - Islamic art
ER  -