Most Popular Books
- Tables of minor planets discovered by James C. Watson: Pt. II. On v. Zeipel's theory of the perturbations of the minor planets of the Hecuba group
- Celestial Mechanics: A Survey Of The Status Of The Determination Of The General Perturbations Of The Minor Planets
- Tables of Minor Planets Discovered by James C. Watson ...
- Beiträge zur Kometenbahnbestimmung
