TY  - BOOK
AU  - Gupta,Ram S.
TI  - Introduction to environmental engineering and science
SN  - 0865879729
PY  - 2004///
CY  - Rockville, Md.
PB  - ABS Consulting
KW  - Environmental sciences
KW  - Environmental engineering
N1  - Includes bibliographical references and index
ER  -