TY  - BOOK
AU  - Simmons,I.G.
TI  - Changing the face of the earth: culture, environment, history 
SN  - 0631140492
PY  - 1989///
CY  - Oxford
PB  - Basil Blackwell
KW  - Human ecology
KW  - History
KW  - Man
KW  - influence on nature
ER  -