TY  - BOOK
AU  - Cunningham,William P.
AU  - Cunningham,Mary Ann
TI  - Principles of environmental science: inquiry and applications 
SN  - 0072509317 (pbk. : acidfree paper)
AV  - GE105 .C865 2004
U1  - 363.7 21
PY  - 2008///
CY  - Boston
PB  - McGraw-Hill Higher Education
KW  - Environmental sciences
N1  - Includes index
UR  - http://www.loc.gov/catdir/toc/mh031/2002151069.html
ER  -