Astronomy projects

Books

 
Publisher: Wiley
ISBN10: 0471520934 ISBN13: 9780471520931 DDC: 523 LCC: QB64
 
Publisher: Wiley
ISBN10: 047151067X ISBN13: 9780471510673 DDC: 523 LCC: QB64 Edition: (pbk.) :$12.95
   
Publisher: Simon & Schuster
ISBN10: 0671704494 ISBN13: 9780671704490