TY  - BOOK
AU  - Davis, Mackenzie L. & Masten, Susan J.
TI  - Principles of environmental engineering and science
SN  - 0-07-235053-9
U1  - Cir. 621.48 D295 c2004 
PY  - 2004///
CY  - New York
PB  - McGraw-Hill Companies, Inc.
ER  -