TY  - BOOK
AU  - Spellman, Frank R.
TI  - Handbook of water and wastewater treatment plant operations
SN  - 978-1-4200-7530-4
PB  - CRC press
UR  - http://krc.clri.res.in:80/cgi-bin/koha/opac-detail.pl?biblionumber=11825
ER  -