TY  - BOOK
AU  - Hughes, Donald J
TI  - An Environmental history of the world: humankinds chnaging role in the community of life
SN  - 0 415-13618-0
U1  - 304.28 21st
PY  - 2001///
CY  - London
PB  - Routledge
KW  - Humanecology-History; Biotic communities-History
ER  -