TY  - BOOK
AU  - Vesilind,P.Aarne
TI  - Introduction to environmental engineering
SN  - 049529585X
AV  - TD145  .V4297 2009
PY  - 2009///
CY  - Mason, OH
PB  - Cengage
KW  - Environmental problems
KW  - Engineering calculations
KW  - Meterial Balance
ER  -