TY  - BOOK
AU  - Ward, Peter D.
TI  - Under a green sky: global warming, the mass extinctions of the past, and what they can tell us about our future 
SN  - 9780061137914
U1  - 577.276 
PY  - 2007///
CY  - New York
PB  - HarperCollins Publishers
ER  -