TY  - BOOK
AU  - Cunningham, William P
AU  - Cunningham,Mary Ann
TI  - Principles of Environmental Science : Inguiry and Applications
SN  - 0071121897
AV  - GE105 C865 P3 2002
PY  - 2002///
CY  - BOSTON
PB  - McGraw-Hill
KW  - Environmental sciences
KW  - Ecology
KW  - Human ecology
ER  -