Abstracts of Bulgarian scientific literature Geology and geography /
New Title: | Abstracts of Bulgarian scientific literature. Geological surveying Abstracts of Bulgarian scientific literature. Geological surveying |
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Corporate Authors: | , , , , |
Format: | Serial |
Language: | English |
Published: |
Sofia :
The Department,
1959-1962
Sofia : 1959-1962 Sofia : 1959-1962 |
Subjects: |