TY  - BOOK
AU  - Hammer, Mark J.
TI  - Water and Wastewater Technology 
SN  - 8120321081
U1  - 628.3 
PY  - 2001///
CY  - New Delhi : 
PB  - Prentice-Hall of India, 
KW  - Sewage Disposal
KW  - Water Supply Engineering
N1  - NY
UR  - https://eaklibrary.neduet.edu.pk:8443/catalog/bk/books/toc/81-203-2108-1.pdf
ER  -