ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] MEASUREMENTS of the F2-layer critical-frequency difference, fx – f0, have now been made for the hourly records taken at Churchill, Manitoba, in 1945 and 1946 and at Portage la Prairie, Manitoba, in 1947 and 1948. These measurements corroborate ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/163993a0
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