A neutral hydrogen study of the interacting galaxies NGC 4631 and NGC 4656
By: L. Weliachew
Publisher: [s.n.]
Published: 1969
Place of publication: Berlin?
Language: eng
Number of pages: 417
Subjects: Galaxies; Spectra; Observations; Hydrogen
Other titles: Distribution d'hydrogene neutre, et dynamique des galaxies
Notes: "Article principal recouvrant en partie ... pour obtenie le grade de Docteur Es-Sciences"--cover.

"No. d'enregistrement au CNRS AO 3831"--cover.

"Astron. & Astrophys. 3, 402-417 (1969)."

Includes bibliographical references.