[meteorite-list] PDF Files About Permian-Triassic Extinction

[Paul]

Dear Friends,

while searching the web, I came across some interestiung PDF files of 
papers about the Permian-Triassic extinction.

They are:

Retallack, G. J., 2009, Greenhouse crises of the past 300 million years. 
Geological Society of America Bulletin. vol 121, no. 9-10, pp. 1441-145.

Abstract at http://gsabulletin.gsapubs.org/content/121/9-10/1441.abstract

PDF file at 
http://www.uoregon.edu/~dogsci/_media/directory/faculty/greg/geologicalsocietyofamericabulletin2009-utah.pdf?id=directory%3Afaculty%3Agreg%3Apublications&cache=cache

and http://www.uoregon.edu/~dogsci/directory/faculty/greg/publications

Retallack, G. J., 2005, Permian greenhouse crises, in  Lucas, S.G. and 
Ziegler, K.E., ed., The nonmarine Permian. Bulletin New Mexico Museum 
of Natural History and Science. no. 30, pp. 256-269.

PDF file at 
http://www.uoregon.edu/~dogsci/_media/directory/faculty/greg/permiancrises.pdf?id=directory%3Afaculty%3Agreg%3Apublications&cache=cache

and http://www.uoregon.edu/~dogsci/directory/faculty/greg/publications

Benton, M. J., and R. J. Twitchett, 2003, How to kill (almost) all life: the 
end-Permian extinction event. Trends in Ecology & Evolution. vol. 18, 
no. 7, pp. 358-365.

Abstract at http://dx.doi.org/10.1016/S0169-5347(03)00093-4

PDF file at http://webh01.ua.ac.be/funmorph/raoul/macroevolutie/Benton2003.pdf

and http://webh01.ua.ac.be/funmorph/raoul/macroevolutie/macroevolutie.htm

Yours,

Paul H.