Астрономически календар за 1988 година
| Corporate Author: | |
|---|---|
| Format: | Book |
| Language: | Russian |
| Published: |
София
Политиздат
1988
|
| Subjects: |
| Corporate Author: | |
|---|---|
| Format: | Book |
| Language: | Russian |
| Published: |
София
Политиздат
1988
|
| Subjects: |