TY  - BOOK
AU  - Kaul, S N.
AU  - Kumar, Arvind.
TI  - Waste Water Engineering: (Vol-I) / (Acc. 4186)
SN  - 8176489891(set)
U1  - 623.3 KAU 
PY  - 2006///
CY  - New Delhi-110002
PB  - APH Publishing Corporation.
KW  - waste
ER  -