ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] Fig. 1 is a map of the area on which the principal magnetic survey points are marked. Each of these points was carefully established during the first of 15 surveys, so that it could be re-located with a precision of about one inch in subsequent surveys. Altogether eight precisely repeated surveys ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/240348a0