Guide book [of the International mineralogical association. 13th General meeting] : [P.] 1-3 /
| Автор-организации: | International mineralogical association General meeting |
|---|---|
| Формат: | Книга |
| Език: | English |
| Публикувано: |
Varna :
[International mineralogical association],
1982.
|
| Предмети: |
Съдържание:
- 1.
- Eastern Srednogorie zone
- 2.
- Central Srednogorie
- 3.
- Central Rhodopes