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| Индекс ДКД | Наименование раздела |
| 520 | Astronomy & allied sciences |
| 521 | Celestial mechanics |
| 527 | Celestial navigation |
| 529 | Chronology |
| 525 | Earth (Astronomical geography) |
| 528 | Ephemerides |
| 526 | Mathematical geography |
| 523 | Specific celestial bodies & phenomena |
| 522 | Techniques, equipment, materials |
| 524 | Unassigned |
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