TY  - BOOK
AU  - HUGHES J. Donald
TI  - Environmental history of the world:  Humankind's changing role in the community of life.   
SN  - 9780415481496
U1  - Y:(G:55)v.1, P9 
PY  - 2009///
CY  - London
PB  - Routledge          
KW  - Geography
ER  -