Arsenic 
/United nations environment programme 
 - Geneva:   World Health Organization,   1981 
 - 174p. 
 - Environmental health criteria 18 .
<br/><br/><label>ISBN: </label>92-4-154078-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environment 
<br/><br/><label>Subjects--Index Terms: </label>Air 
<br/><br/><label>Universal Decimal Class. No.: </label>612.014.49:546.19  / M1