TY  - BOOK
AU  - Cunningham,William P.
AU  - Cunningham,Mary Ann
TI  - Principles of environmental science: inquiry and applications 
SN  - 9780073050898 (pbk.)
PY  - 2008///
CY  - Boston
PB  - McGraw-Hill Higher Education
KW  - Environmental sciences
N1  - Includes index; Includes bibliographical references
ER  -