Periodic solar variation.

Periodic solar variation.

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Bibliographic Details
Author / Creator:	Abbot, C. G. (Charles Greeley), 1872-1973
Imprint:	Washington, Smithsonian Institution, 1955.
Description:	20 p. illus. 25 cm.
Language:	English
Series:	Smithsonian miscellaneous collections, v. 128, no. 4 Smithsonian Institution. Publication, 4213 Smithsonian miscellaneous collections v. 128, no. 4. Publication (Smithsonian Institution) 4213.
Subject:	Solar radiation Cycles Cycles. Solar radiation.
Format:	U.S. Federal Government Document Print Book
URL for this record:	http://pi.lib.uchicago.edu/1001/cat/bib/3836858

Hidden Bibliographic Details
Other authors / contributors:	Smithsonian Institution. Roebling Fund.
Notes:	"Roebling Fund."

Description
Item Description:	"Roebling Fund."
Physical Description:	20 p. illus. 25 cm.