ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] The observations were made over the south of England, above a gap in the clouds, at about 15.30 hr. (B.S.T.) in September 1950. The mean zenith angle of the sun was 62 . The cloud extended up to about 20,000 ft. and was estimated at 6/8 coverage. Readings were taken at zenith angles (Z) of 0 , 45 ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/167436a0
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