TY  - BOOK
AU  - Cunningham,William P.
TI  - Environmental science : : a global concern 
SN  - 0697286711
U1  - 363.7 
PY  - 1997///
CY  - Boston, Massachusetts
PB  - WCB / McGraw-Hill
KW  -  Environmental science.	
KW  -  Ecology.	
N1  - Includes glossary and index
ER  -