Periodic solar variation:
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Bibliographic Details
Main Author: Abbot, Charles G. 1872-1973 (Author)
Format: Book
Language:English
Published: Washington, DC Smithsonian Inst 1955
Series:Smithsonian miscellaneous collections 128,4
Physical Description:20 Seiten graph. Darst

There is no print copy available.

Interlibrary loan Place Request Caution: Not in THWS collection!