TY  - BOOK
AU  - World health organisation
ED  - World health organisation
TI  -  Guidelines for drinking water quality: :v.1 recommendations
U1  - 628.161 
PY  - 1993///
CY  - Geneva
PB  - World Health Organisation
KW  - Drinking water- standards
KW  - Water purification
KW  - Drinking Water - Standards
N1  - School of Marine Sciences
ER  -