| 000 | 00627nam a2200205 a 4500 | ||
|---|---|---|---|
| 005 | 20210219160109.0 | ||
| 008 | 080730s1972 mx r 000 0 spa d | ||
| 035 | _aUPN01000158567 | ||
| 049 | _aUNE | ||
| 080 | _a551.49 (07)=20 TEA No.11. | ||
| 245 | 0 | 0 | _aTeaching aids in hydrology. |
| 260 |
_aParís : _bUNESCO, _c1972. |
||
| 300 |
_a64 p. _bil., retrs. |
||
| 440 | 0 |
_aTechnical papers in hydrology ; _v11 |
|
| 690 | _aHidrologia - Enseñanza cientifica | ||
| 690 | _aEnseñanza de la hidrologia - Materias del curriculo | ||
| 710 | 2 | _aUNESCO | |
| 710 | 2 | _aInternational Hydrological Decade. (IHD) | |
| 905 | _aUNESCO | ||
| 999 |
_c130681 _d130681 |
||