๐”– Bobbio Scriptorium
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Averages of critical frequencies and virtual heights of the ionosphere, observed by the National Bureau of Standards, Washington, D.C., October to December, 1938


Book ID
119733188
Publisher
American Geophysical Union
Year
1939
Tongue
English
Weight
94 KB
Volume
44
Category
Article
ISSN
0148-0227

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