TY  - BOOK
AU  - Cunningham,William P.
AU  - Cunningham,Mary Ann
TI  - Principles of environmental science: inquiry & applications 
SN  - 0071221863: 
AV  - GE105 .C865 2009
PY  - 2009///
CY  - Dubuque, IA
PB  - McGraw-Hill
KW  - Environmental sciences
KW  - Textbooks
N1  - Includes index
ER  -