Zeilik, Michael. Introductory astronomy & astrophysics / Introductory astronomy and astrophysics Michael Zeilik, Stephen A. Gregory. - 4th ed. - 1 v. (various pagings) : ill. ; 26 cm. - Saunders golden sunburst series . Includes index. ISBN: 0030062284 LCCN: 97069268 Subjects--Topical Terms: Astronomy.Astrophysics. LC Class. No.: QB45 / .Z43 1998 Dewey Class. No.: 520