The Milky way
Bok, Bart Jan, 1906-
The Milky way by Bart J. Bok and Priscilla F. Bok. - 3rd ed. - Cambridge, Mass. : Harvard University Press, 1957. - 269 p. : ill. ; 25 cm. - The Harvard Books on Astronomy .
Milky Way.
The Milky way by Bart J. Bok and Priscilla F. Bok. - 3rd ed. - Cambridge, Mass. : Harvard University Press, 1957. - 269 p. : ill. ; 25 cm. - The Harvard Books on Astronomy .
Milky Way.