Astronomy :
Zeilik, Michael.
Astronomy : the evolving universe / by Michael Zeilik. - 6th ed. - New York : Wiley, c1991. - xxiii, 568 p. : ill. (some col.) ; 29 cm.
Includes index.
0471522678(hbk) 0471538566 (hbk.)
90044177
Astronomy.
520 / ZEI-A 1991 7140
Astronomy : the evolving universe / by Michael Zeilik. - 6th ed. - New York : Wiley, c1991. - xxiii, 568 p. : ill. (some col.) ; 29 cm.
Includes index.
0471522678(hbk) 0471538566 (hbk.)
90044177
Astronomy.
520 / ZEI-A 1991 7140