TY  - BOOK
AU  - Cunningham, W.P. & Cunningham, M.A.
TI  - Principles of Environmental Science
SN  - 9780070647725
U1  - 620.8 
PY  - 2008///
PB  - Tata McGraw-Hill Publishing Company Limited
KW  - CIVI
KW  - C-13
ER  -