World meteorological organizatio international hydrological decade (IHD).
| Prif Awdur: | |
|---|---|
| Awduron Eraill: | , |
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
Geneva
World Meteorological Organization
1967.
|
| Cyfres: | Reports on WMO/IHD projects
report no. 1,3-4 |
| Pynciau: |