E Irving1. Show Affiliations » 1. Department of Natural Resources, Geological Survey of Canada, P. O. Box 6000, North Saanich, BC, Canada. tirving@pgc-gsc.nrcan.gc.ca
Abstract
Mesh: See more » AsiaBiodiversityClimateCold TemperatureEarth, PlanetGeographyHistory, AncientHot TemperatureNorth AmericaTime Factors
Year: 2008 PMID: 18922768 PMCID: PMC2570997 DOI: 10.1073/pnas.0809225105
Source DB: PubMed Journal: Proc Natl Acad Sci U S A ISSN: 0027-8424 Impact factor: 11.205