TY  - BOOK
AU  - Cunningham, William P. 
AU  - Cunningham, Mary Ann 
TI  - Principles of environmental science: : inquiry & applications/  
SN  - 9780071078634 (pbk.)
PY  - 2010///
CY  - Boston: 
PB  - McGraw-Hill Higher Education,  
N1  - Includes appendices, bibliographical references, glossary and index
ER  -