TY  - BOOK
AU  - Cunningham,William P.
AU  - Cunningham,Mary Ann
TI  - Principles of environmental science : : Inquiry & applications / 
SN  - 13: 9780071078634
U1  - 540 
PY  - 2010///
CY  - New York : 
PB  - McGraw-Hill Education, 
KW  - Environmental Science.
N1  - i; includes appendix , glossary, credits ,  index and maps.
ER  -