TY  - BOOK
AU  - Hughes, Donald J.
TI  - An Environmental History of the World: 
T2  - History/environmental studies
SN  - 978-0-415-48150-2
AV  - GF13.H83 
CY  - London
KW  -  Biogic communities
KW  -  Nature--Effect of human beings on
KW  - Human ecology
KW  - Human ecology--History
ER  -