TY  - BOOK
AU  - Simmons,I G.
TI  - Changing the face of the earth / 
SN  - 0631199241
U1  - 304.2 
PY  - 1996///
CY  - Oxford : 
PB  - Blackwell Publishers , 
KW  - HUMAN ECOLOGY
N1  - NULL
ER  -