TY - BOOK TI - Guidelines for drinking-water quality vol.1: recommendations SN - 9241546387 U1 - 628.162 PY - 2004/// CY - Geneva PB - WHO KW - WATER QUALITY KW - Potable water-standards KW - Guidelines KW - Water Quality-standards KW - Water-standards UR - http://apps.who.int/iris/handle/10665/42852 ER -