TY  - BOOK
AU  - Ward,Peter Douglas
TI  - Under a green sky: global warming, the mass extinctions of the past, and what they mean for our future 
SN  - 006113791X
PY  - 2007///
CY  - New York
PB  - Smithsonian Books/Collins
KW  - Extinction (Biology)
KW  - Paleoclimatology
KW  - Global warming
KW  - Environmental aspects
N1  - References : p. 205-224
ER  -