Shapley, Harlow, 1885-1972.
Galaxies. - [3rd ed.] Rev. by Paul W. Hodge. - Cambridge, Mass., Harvard University Press, 1972. - x, 232 p. illus. 25 cm. - The Harvard books on astronomy .
0674340515
77169859
Galaxies.
QB851 / .S47 1972
523.1/12
Galaxies. - [3rd ed.] Rev. by Paul W. Hodge. - Cambridge, Mass., Harvard University Press, 1972. - x, 232 p. illus. 25 cm. - The Harvard books on astronomy .
0674340515
77169859
Galaxies.
QB851 / .S47 1972
523.1/12