TY  - BOOK
AU  - Cunningham, P. William,  Cunningham, A. Mary.
AU  - Cunningham, P. William,  Cunningham, A. Mary.
TI  - Principles of Environmental Science: Inquiry and Application
SN  - 9780071221863
AV  - GE107.C37 2011 
PY  - 2011///
CY  - New York
PB  - McGraw hill
KW  - Environmetal.
N1  - Includes index, table of contents, figs,
ER  -