Some Problems Concerning the Structure and Dynamics of the Galactic System and the Elliptical Nebulae NGC 3115 and 4494. (original) (raw)

Oort, J.H. (1940)

Some Problems Concerning the Structure and Dynamics of the Galactic System and the Elliptical Nebulae NGC 3115 and 4494

Article / Letter to editor

Date

1940

Publisher

University of Chicago Press, Chicago