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Bulletin of Helwan Institute of Astronomy and Geophysics. Serie A, Astronomy / Academy of Scientific Research and Technology
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| 出版情報 | Helwan, Cairo, Egypt : [Helwan Institute of Astronomy and Geophysics, Helwan observatory] , [1981]- |
|---|---|
| 巻次年月次 | Vol. 1 (1981)- |
| 本文言語 | 英語 |
| 著者標目 | Akādīmīyat al-Baḥth al-ʿIlmī wa-al-Tiknūlūjiyā |
| NCID | AA12476477 |