The Milky Way /
Bok, Bart J. 1906-1983.
The Milky Way / Bart J. Bok and Priscilla F. Bok. - 4th ed., rev. and enl. - Cambridge : Harvard University Press, 1974. - 273 p. : ill. ; 25 cm. - The Harvard books on astronomy . - Harvard books on astronomy. .
Includes index.
0674575016
73083418
Milky Way.
QB 857.7 / .B64 1974
The Milky Way / Bart J. Bok and Priscilla F. Bok. - 4th ed., rev. and enl. - Cambridge : Harvard University Press, 1974. - 273 p. : ill. ; 25 cm. - The Harvard books on astronomy . - Harvard books on astronomy. .
Includes index.
0674575016
73083418
Milky Way.
QB 857.7 / .B64 1974