Ward, Peter Douglas,  1949- <br/><br/>
Under a green sky :  global warming, the mass extinctions of the past, and what they mean for our future / 
Peter D. Ward 
 - New York :  Smithsonian Books/Collins,  2007 
 - xiv, 242 p. :  ill. ;  24 cm. 
<br/><br/>References : p. 205-224 
<br/><br/><label>ISBN: </label>006113791X  RM109.90 9780061137914 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Extinction (Biology)<br/>Paleoclimatology<br/>Global warming--Environmental aspects