| 000 | 00371cam a22001097a 4500 | ||
|---|---|---|---|
| 008 | 180718b1973 xxu||||| |||| 00| 0 eng d | ||
| 082 | _aY1182 B454 | ||
| 100 | _aBergmann, Hellgmann | ||
| 245 |
_aGuide to the economic evalutionof irrigation projects _cby Hellmuth Bergmann |
||
| 260 |
_aParis _bOrganisation for Economic Co-operation and Development _c1973 |
||
| 300 | _a133+p. | ||
| 999 |
_c499092 _d499092 |
||