sun and the welfare of man
By: by Charles Greeley Abbot
Series: Smithsonian scientific series -- v.2; Smithsonian scientific series -- v. 2
Publisher: Smithsonian Institution Series
Published: 1938
Place of publication: [New York
Language: eng
Number of pages: 342
Subjects: Smithsonian Astrophysical Observatory; Solar radiation; Spectrum, Solar; Astrophysics; Astrophysics