TY  - GEN
TI  - Guidelines for drinking-water quality: addendum to volume 1-recommendations
SN  - 9241545143
U1  - 663.61 
PY  - 1998///
CY  - Geneva
PB  - WHO
KW  - DRINKING WATER-STANDARDS
KW  - GUIDELINES
KW  - WATER QUALITY
ER  -