The population crisis and the use of world resources
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | Saesneg |
| Cyhoeddwyd: |
The Hague
W. Junk
1964.
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| Cyfres: | World Academy of Art and Science. [Publication]
2 |
| Pynciau: |