Vodni problemi.
Saved in:
| OCLC: | 2410457 |
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| Corporate Author: | |
| Language: | Bulgarian |
| Published: |
[Sofi︠i︡a,
Izd-vo na Bŭlgarskata akademi︠i︡a na naukite]
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| Subjects: | |
| Format: | Serial Note that CRL will digitize material from the collection when copyright allows. |
| Published: | kn. 1- 1975- |
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| Physical Description: | ill. 24 cm. |
| ISSN: | 0204-8248 |