TY  - BOOK
AU  - Modi, P. N. 
TI  - Sewage treatment & disposal and wastewater engineering including air pollution engineering
SN  - 81-900893-2-4
U1  - 628.4 
PY  - 2001///
CY  - Delhi
PB  - Standard Books
KW  - Sanitary engineering
KW  - Waste technology
N1  - Includes index
ER  -