Труды казанской городской астрономической обсерватории
| Format: | Book |
|---|---|
| Language: | Russian |
| Published: |
Изд-во Каз. ун-та
1970
|
| Subjects: |
| Format: | Book |
|---|---|
| Language: | Russian |
| Published: |
Изд-во Каз. ун-та
1970
|
| Subjects: |