TY  - GEN
ED  - World Health Organization. Division of Operational Support in Environmental Health.
TI  - Guidelines for drinking-water quality : addendum : microbiological agents in drinking water
SN  - 92-4-154535-6
AV  - 2nd ed. 
PY  - 2002///
CY  - Geneva : 
PB  - World Health Organization
KW  - Potable water
KW  - Standards
KW  - Water quality
KW  - Water microbiology
KW  - Guidelines
ER  -