Population structure in European countries.
| Awdur Corfforaethol: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
New York
United Nations
1966
|
| Cyfres: | United Nations. Document
ST/ECE/HOU/21. |
| Pynciau: |