ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] Other authors3 conclude that variations in the D/H ratios in coals are primary source-controlled (regardless of their stage of thermal evolution) and infer that differences in contributing plant associations are responsible for the variations observed rather than maturational effects. In this ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/302322a0