| Year | 1987 |
|---|---|
| Title original | Ордовик. Поркуниский горизонт |
| Book | Geology and mineral resources of the Rakvere phosphorite-bearing area |
| Book title original | Геология и полезные ископаемые Раквереского фосфоритоносного района. Pед: Пуура В. В. |
| Editor(s) | Puura, V. |
| Publisher | Valgus |
| Publisher place | Tallinn |
| Belongs to | Puura, V., 1987 (ed) |
| Pages | 69-71 |
| Type | article in book |
| Estonian author | |
| Language | Russian |
| Id | 1974 |
Last change: 13.5.2023