ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] Fig. l UT2-AT, May to September 1972. C, Calgary photographic zenith tube (PZT); H, Herstmonceux PZT; P, Paris Astrolabe; R, Richmond PZT; T, Tokyo PZ T; W, Washington PZT; -----,Def. UT2?AT. Fig. 2 UT2-AT, BIH raw values, determined from all data and corrected for drift of -3.2 ms d-1. x, 5-d ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/244426a0
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