TY - BOOK ED - World Health Organization ED - A.I.T.B.S. Pub. & Distributors TI - Guidelines for drinking-water quality: Vol. 1, recommendations SN - 9788174730404 (pbk.) U1 - 363.610218 WHO PY - 1999/// CY - Geneva, Delhi PB - World Health Organization, , A.I.T.B.S. Pub. & Distributors KW - Drinking water Standards Handbooks KW - Handbooks and manuals KW - Water Pollution prevention & control N1 - Includes indexes ER -