A Classic Problem Concluded
M. Beech gave an interesting historical review of an intriguing question
but it was missing the one reference I would have thought of first.
The link below points to one file containing the complete text,
all figures and tables etc.
more of my
correspondence in The Observatory
directory of individual short descriptions of papers
Phillip Helbig's publications
Phillip Helbig's research
Phillip Helbig's home page
last modified on Monday, February 22, 2021 at 07:55:57 PM
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