Adjusting to scarcity
| Awduron Eraill: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
Philadelphia
American Academy of Political and Social Science
c1975.
|
| Cyfres: | The Annals of the American Acedemy of Political and Social Science
v.420 |
| Pynciau: |