An Optical Periodograph

An Optical Periodograph

Bibliographic Details
Main Author: Douglass, A.E.
Language:en_US
Published: 1915
Subjects:
Douglass
astronomy
dendrochronology
sun-spot
sunspot
sun spot
periodogram
Online Access:http://hdl.handle.net/10150/200060

Internet

http://hdl.handle.net/10150/200060

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