| Year | 1980 |
|---|---|
| Journal | Proceedings of the Academy of Sciences of the Estonian SSR. Social sciences |
| Volume | 29 |
| Number | 4 |
| Pages | 357-360 |
| Type | article in journal |
| Estonian author | |
| Language | English |
| Id | 26219 |
Last change: 25.10.2020
| Year | 1980 |
|---|---|
| Journal | Proceedings of the Academy of Sciences of the Estonian SSR. Social sciences |
| Volume | 29 |
| Number | 4 |
| Pages | 357-360 |
| Type | article in journal |
| Estonian author | |
| Language | English |
| Id | 26219 |