Free on Kindle: A Plan for Securing Observation of the Variable Star
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davidjayjackson
Affiliation
American Association of Variable Star Observers (AAVSO)
Mon, 09/22/2014 - 01:15
Free on Kindle E.C. Pickering's book, "A Plan for Securing Observation of the Variable Stars.
MDW
Affiliation
American Association of Variable Star Observers (AAVSO)
This has been available for some time now, and in several formats, at http://www.gutenberg.org/ebooks/35613
Thanks for the link