TY  - BOOK
AU  - Cunningham,William P.
TI  - Environmental science : : a global concern 
SN  - 069714478X
U1  - 574.5 
PY  - 1992///
CY  - Dubuque, IA
PB  - Wm. C. Brown
KW  - Ecology
KW  - Environmental science
ER  -