TY  - BOOK
AU  - Cunningham,William P.
AU  - Cunningham,Mary Ann
TI  - Environmental science: a global concern 
SN  - 9780073383255
PY  - 2012///
CY  - New York
PB  - McGraw-Hill Companies, Inc.
KW  - Environmental sciences
KW  - Textbooks
N1  - Includes index
ER  -