ISSN:
1476-4687
Quelle:
Nature Archives 1869 - 2009
Thema:
Biologie
,
Chemie und Pharmazie
,
Medizin
,
Allgemeine Naturwissenschaft
,
Physik
Notizen:
[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 ...
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1038/329048a0
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