Bahnbestimmung des Planeten (28) Bellona aus 32 jähriger Beobachtung
By: von D. v.d. Groeben
Series: Astronomische Nachrichten ; Bd. 123, no. 2951
Publisher: A, Kruger
Published: 1890
Place of publication: Altona?]
Language: ger
Number of pages: 384
Subjects: Asteroids; Perturbation (Astronomy)