TY  - BOOK
AU  - Swanson Timothy M Ed.
TI  - Economics of environmental degradation :  Tragedy for the commons?   
U1  - X:(G:55), N6 
PY  - 1996///
CY  - Cheltenham
PB  - Edward Elgar         
KW  - Environmental Economics
N1  - United Nations Environment Programme Publication
ER  -