Principles of astronomy : With special emphasis on long focus photographic astronomy /

Eitemau Tebyg

• Principles of celestial mechanics /
  gan: Fitzpatrick, Philip M.
  Cyhoeddwyd: (1970)
• Astronomy: Principles and Practice /
  gan: Roy,, A E
  Cyhoeddwyd: (2011)
• Celestial mechanics, v1. dynamical principles and transformation theory
  gan: Hagihara, Yūsuke
  Cyhoeddwyd: (1970)
• Celestial mechanics /
  gan: Finlay-freundlich, E.
  Cyhoeddwyd: (1958)
• Ebb and flow : The tides of earth,air and water tr by A J Pomerans /
  gan: Defant, Albert
  Cyhoeddwyd: (1964)