Selection of plants in the people's Republic of Bulgaria
| Main Author: | Pavel Popov (-) |
|---|---|
| Corporate Authors: | The United Nations (-) |
| Other Authors: | Atanas Popov (-), Christo Daskalov |
| Format: | Book |
| Bahasa: | eng |
| Terbitan: |
New York :
United Nations
, 1962
|