Guidelines for drinking-water quality / 
WHO. 
 - 2nd ed. 
 - 3 volúmenes :  ilustraciones 
<br/><br/> La Biblioteca posee: v.2 
<br/><br/>V. 1. Recommendations -- v. 2. Health criteria and other supporting information -- v. 3. Surveillance and control of community supplies. 
<br/><br/><label>ISBN: </label>9241544600 9241544805 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Abastecimiento de agua--Normas.<br/>Agua potable--Normas--Manuales.
<br/><br/><label>Dewey Class. No.: </label>363.610218  / W924g 1993-97