TY - BOOK TI - Guidelines for drinking-water quality U1 - 628.1 22 PY - 2004///- CY - Geneva PB - World Health Organization KW - Drinking water KW - Standards KW - Handbooks, manuals, etc KW - Water quality KW - Water Supply KW - standards KW - Water Pollution KW - prevention & control N1 - Includes bibliographical references and index ER -