Astronomy/
Bakher, Robert H.
Astronomy/ Robert H. Bakher - 8th ed. - London : D. Van Nostrand ; 1964 - viii, 557p. : ill. dia. ; 20cm.
Includes index.
Astronomy
520 / BAA
Astronomy/ Robert H. Bakher - 8th ed. - London : D. Van Nostrand ; 1964 - viii, 557p. : ill. dia. ; 20cm.
Includes index.
Astronomy
520 / BAA