ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] The shale sample was taken from an exposure (4333'N, 1241' E) near the cemetery of Moria, a small village near Cagli, province of Pesaro and Urbino, Italy8. The sediment, which has an organic carbon content of 13.3%, was Soxhlet-extracted with toluene/methanol (1:3 v/v; 20 h). The hexane-soluble ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/299437a0
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