ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] Fig. 1 A14C in tree rings from Drenthe, The Netherlands: , Quercus rubra L. (Sleen, 52 45' N, 645' E); x, Querem robur L. (Sleen); D, Quercus robur L. (Norg, 534' N, 627' E). The line has been fitted by eye. The sunspot record has also been included for comparison. The design and the operating ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/280826a0