TY  - GEN
AU  - Vesilind,P.Aarne
TI  - Introduction to environmental engineering / 
SN  - 9780495295853
AV  - TD145  
PY  - 2010///
CY  - Stamford, CT : 
PB  - Cengage Learning, 
KW  - Environmental engineering
KW  - Textbooks
KW  - Environmental ethics
N1  - Includes bibliographical references and index
ER  -