TY  - BOOK
AU  - Ponting, Clive
TI  - A new green history of the world : the environment and the collapse of great civilizations
SN  - 9780099516682
U1  - 304.2 PON 
PY  - 2007///
CY  - London
PB  - Penguin Books
KW  - Natural history
ER  -