Guidelines for safe recreational water environments 

 - Geneva:   World Health Organization,   2003 
 - xxxii, 219p. 
<br/><br/>Vol 1 Coastal and fresh waters 
<br/><br/><label>ISBN: </label>92-4-154580-1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water 
<br/><br/><label>Subjects--Index Terms: </label>environment  
<br/><br/><label>Universal Decimal Class. No.: </label>556  / P3