World Health Organization, United Nations Environment programme & ILO <br/><br/>
Thallium 

 - auth, Geneva  1996 
 - 274p figs.,tabs. 
<br/><br/><label>ISBN: </label>92-4-157182-9 
<br/><br/><label>Dewey Class. No.: </label>363.7384 WHO/EHC