Directory of institutions engaged in arid zone research.
Wedi'i Gadw mewn:
| Awdur Corfforaethol: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
Paris :
U.N.E.S.C.O.,
1953.
|
| Cyfres: | Arid zone research ;
3. |
| Pynciau: |
CARM 1 Store
| Rhif Galw: |
A2:AD33E0 C02440 |
|---|---|
| Copi 1 | Ar gael Gwneud Cais |