TY  - BOOK
AU  - Masschelein, Willy J.
TI  - Ultraviolet light in water and wastewater sanitation
SN  - 1-566700603-3
PB  - Lewis Publishers
UR  - http://krc.clri.res.in:80/cgi-bin/koha/opac-detail.pl?biblionumber=11512
ER  -