Paleoenvironment of the Quilchena flora, British Columbia, during the Early Eocene Climatic Optimum

Rolf W. Mathewes, David R. Greenwood, S. Bruce Archibald, Kathleen B. Pigg
2016 Canadian journal of earth sciences (Print)  
doi:10.1139/cjes-2015-0163 fatcat:i6evypkl25d57fvok7uww73srm