ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] The Sepkoski5 database of the stratigraphic ranges of marine invertebrate families was input and upgraded (with revisions to July 1984) on a microcomputer. Using database management software the data were sorted and both background and mass-(per cent) taxonomic extinction rates were calculated for ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/325143a0
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