TY  - BOOK
AU  - Cunningham, William P.
AU  - Cunningham, Mary Ann
TI  - Principles of environmental science: inquiry & applications
SN  - 0072823399
AV  - GE105 
PY  - 2006///
CY  - Dubuque, IA
PB  - McGraw-Hill
KW  - Environmental sciences
N1  - Includes index
ER  -