TY  - GEN
AU  - Cunningham,William P
AU  - Cunningham Marry Ann
TI  - Principles of environmental science: inquiry and applications
SN  - 9780071221863
AV  - GE 105 CUN 2009 
PY  - 2009///
CY  - New York
PB  - McGraw-Hill
KW  - environmental systems
KW  - food and agriculture
N1  - includes index
ER  -