TY  - GEN
AU  - CUNNINGHAM,W.P.
AU  - MARY,ANN CUNNINGHAM.
TI  - Principles of Environmental  Science: Inquiry & Applications
SN  - 978-0-07-338319-4
U1  - 363.7  CUN 
PY  - 2008///
CY  - New York
PB  - McGraw-Hill Higher Education
ER  -