Practical astronomy:a user friendly handbook for sky watchers/

Antzeko izenburuak

• Practical Astronomy:a user-friendly handbook for skywatches
  nork: Mills,H Rbert
  Argitaratua: (1994)
• Practical astronomy User-friendly handbook for Sky Watchers /
  nork: Mills, H. Robert
• Blind watchers of the sky
  nork: Kolb,Rocky
  Argitaratua: (1999)
• Astronomy:a physical perspective/
  nork: Kutner Marc L
  Argitaratua: (2003)
• Blind watchers ofthe sky
  nork: Kolb Rocky
  Argitaratua: (1999)