New Permian Extinction Paper

The Sun'll Come Out Tomorrow? Maybe Not by Brian Switek, 
Science Now, 25 October 2011
http://news.sciencemag.org/sciencenow/2011/10/the-sunll-come-out-tomorrow-mayb.html

The paper is:

Irmis, R. B., and  J. H. Whiteside, 2011, Delayed recovery of 
non-marine tetrapods after the end-Permian mass extinction 
tracks global carbon cycle. Published online before print 
October 26, 2011, doi: 10.1098/rspb.2011.1895
http://rspb.royalsocietypublishing.org/content/early/2011/10/19/rspb.2011.1895

Yours,

Paul H.