TY  - BOOK
AU  - Gilbert M.Masters
AU  - Wendell P. Ela
TI  - Introduction to environmental engineering and science 
SN  - 0-13-233934-X 
AV  - TD154.M33 2008 
PY  - 2008///
CY  - New Jersey :		
PB  - Pearson Education Inc. ,	
KW  - Environmental engineering
KW  - Environmental science
N1  - Includes bibliographical references and index
ER  -