The population of Poland.
| Erakunde egilea: | |
|---|---|
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
Warszawa
Polish Academy of Sciences, Committee for Demographic Studies
1975.
|
| Saila: | C.I.C.R.E.D. series.
|
| Gaiak: |