TY  - BOOK
AU  - Vesilind 
TI  - Introduction to environmental engineering 
SN  - 0534955738 
U1  - 628 VES 1997 
PY  - 1997///
CY  - Boston
PB  - PWS Publishing
KW  - Environmental engineering
KW  - Environmental ethics
N1  - Includes bibliographical references and index
ER  -