The sun and the welfare of man
Series: Smithsonian Institution Smithsonian series -- v.2; Smithsonian series -- v. 2.
Publisher: [Smithsonian institution series]
Published: 1944
Place of publication: New York]
Language: eng
Number of pages: 384
Subjects: Solar radiation; Solar Spectrum; Astrophysics; Smithsonian Astrophysical Observatory