Safeguarding the world's water / 
United Nations Environment Programme. 
 - Nairobi, Kenya :  The Programme,  [198-] 
 - [8] p. :  ill. 
 - UNEP environment brief ;  no. 6 .
<br/><br/><label>LCCN: </label>89090350     
<br/><br/><label>Subjects--Corporate Names: </label><br/>United Nations--Environmental policy--Periodicals.
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental policy--Periodicals.<br/>Water quality management