TY  - BOOK
AU  - Howe, Kerry J
AU  - Crittenden, John C
AU  - Hand, David W
AU  - Tchobanoglous, George
AU  - Trussell, R. Rhodes
TI  - Principles of water treatment
SN  - 9780470405383
PY  - 2012///
CY  - Hoboken
PB  - John Wiley
KW  - WATER PURIFICATION
UR  - https://opac.lib.ruh.ac.lk/cgi-bin/koha/opac-retrieve-file.pl?id=4d90decee137c59981526b7931c580c1
ER  -