The neutral hydrogen content of late-type spiral galaxies
By: Morton S. Roberts
Series: HRAP (Series) -- 101
Publisher: Harvard College Observatory
Published: 1963
Place of publication: Cambridge, Mass.]
Language: eng
Number of pages: 20
Subjects: Interstellar hydrogen; Spiral galaxies; Observations
Notes: Cover title.

"George R. Agassiz radio astronomy preprints."

Includes bibliographical references (leaf 18).