| 000 | 00577nam a2200205 a 4500 | ||
|---|---|---|---|
| 005 | 20210219160109.0 | ||
| 008 | 080730s1971 mx r 000 0 spa d | ||
| 035 | _aUPN01000158558 | ||
| 049 | _aUNE | ||
| 080 | _a551.49 (100)=20 SCI No.7. | ||
| 245 | 0 | 0 | _aScientific framework of world water balance. |
| 260 |
_aParís _bUNESCO, _c1971. |
||
| 300 | _a27 p. | ||
| 440 | 0 |
_aTechnical papers in hydrology ; _v7 |
|
| 690 | _aEquilibrio hidrico | ||
| 690 | _aRecursos hidricos | ||
| 710 | 2 | _aUNESCO | |
| 710 | 2 | _aInternational Hydrological Decade. (IHD) | |
| 905 | _aUNESCO | ||
| 999 |
_c130672 _d130672 |
||