ISSN:
1476-4687
Quelle:
Nature Archives 1869 - 2009
Thema:
Biologie
,
Chemie und Pharmazie
,
Medizin
,
Allgemeine Naturwissenschaft
,
Physik
Notizen:
[Auszug] Hydrocarbons extractable from sedimentary rocks of Proterozoic age are often enriched in 13C relative to the associated insoluble organic debris4 6. When this same relationship, which reverses that found between extractable lipids and total biomass in living organisms, is observed in more recent ...
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1038/376053a0
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