TY  - BOOK
AU  - Cunningham William P.
AU  - Mary Ann Cunningham 
TI  - Principles Environmental Science: Inquiry & Applications 
SN  - 9780073050898
AV  - GE 105 .C8 2008 
PY  - 2008///
CY  - Boston 
PB  - McGraw- Hill 
KW  - Environmental Sciences-Textbooks
ER  -