Electronic Resource
[s.l.]
:
Nature Publishing Group
Nature
287 (1980), S. 760-760
ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] THE statements of Smit and Hertogen1 that the terminal Cretaceous extinctions were "extremely abrupt" (200yr), lacked "warning signal," and that "gradual extinction lose their credibility on more detailed inspection," require substantiation. Simultaneous geological-range terminations of numerous ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/287760a0
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