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11
[ñáîðíèê]
Ãîäèøíèê íà Àñòðîíîìè÷åñêàòà îáñåðâàòîðèÿ ïðè ÁÀÍ
ÐÀ328
Àñòðîíîìè÷åñêè êàëåíäàð íà Îáñåðâàòîðèÿòà â Ñîôèÿ
ÁÀÍ
Ñîôèÿ
25 ñì
1954-1970
ãîäèøíèê
ISSN:
521+059.3
Çà 1955 ã. ïîä çàãë. Àñòðîíîìè÷åñêè êàëåíäàð íà Îáñåðâàòîðèÿòà â Ñîôèÿ
Êàëåíäàð
Àñòðîíîìèÿ
Older Receipts (by Years):
1955; 1954
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