TY  - BOOK
AU  - Goudie,Andrew
TI  - The Human impact: on the natural environment 
SN  - 0631161643
U1  - 304.2 
PY  - 1990///
CY  - Oxford, UK
PB  - Basil Blackwell, 
KW  - MEDIO AMBIENTE
KW  - PROTECCION
ER  -