TY  - BOOK
AU  - Cunningham, William P.
AU  - Cunningham, Mary Ann.
TI  - Principles of Environmental Science: Inquiry & Applications
SN  - 9780077330934
AV  - GE 105 .C86 2009 
PY  - 2009///
CY  - New york
PB  - Mc Graw hill
KW  - Environmental science
N1  - Includes bibliographical references and index
ER  -