TY  - BOOK
AU  - Cunningham 
AU  - Cunningham, Mary Ann
TI  - Principles of environmental science : inquiry and applications 
SN  - 0072823399 
U1  - 363.7 CUN 2006 
PY  - 2006///
CY  - New York
PB  - McGraw-Hill
KW  - Environmental sciences
KW  - Textbooks
N1  - Includes index p.401 - 428
ER  -