ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] Isotopic compositions of carbon fractions are summarized in Table 1. Carbon isotopic compositions and specific or probable biological sources of biomarkers in the Messel shale (structures are shown in Fig. 1), including the eight most abundant por-phyrins, are summarized in Table 2. The ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/329048a0
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