Galaxies.
Shapley, Harlow, 1885-1972.
Galaxies. - Rev. ed. - Cambridge, Harvard University Press, 1961. - 186 p. illus. 25 cm. - The Harvard books on astronomy . - Harvard books on astronomy. .
61007393 /L/r902
Stars--Clusters.
QB853 / .S47 1961
523.113
Galaxies. - Rev. ed. - Cambridge, Harvard University Press, 1961. - 186 p. illus. 25 cm. - The Harvard books on astronomy . - Harvard books on astronomy. .
61007393 /L/r902
Stars--Clusters.
QB853 / .S47 1961
523.113