TY  - BOOK
AU  - Chiras,Danial D.
TI  - Environment science : systems approach to sustainable development / 
T2  - Wadsworth biology and earth science series, 
SN  - 0534538746
U1  - 363.7 
PY  - 1998///
CY  - London : 
PB  - Wadsworth Publishing , 
KW  - ENVIRONMENTAL SCIENCES
N1  - NULL
ER  -