TY  - BOOK
AU  - Choudhary,A.K.
TI  - Environmental engineering
U1  - 628 20
PY  - 1996///[Reprinted 2000.]
CY  - New Delhi
PB  - McGraw-Hill
KW  - Environmental engineering
KW  - Sanitation
KW  - Sanitary engineering
N1  - Includes bibliographical references and index
ER  -