ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] Many explanations have been advanced to account for the long-term variation in 15N/14N (refs 1, 3-6), but none has yet been accepted as satisfactory. Discrimination between competing explanations would be aided by knowledge of 15N/14N in the recent, or present-day, ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/375383a0
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