Boas, R.C. Villas <br/><br/>
The mercury problem in the Amazon due to gold extraction 

 - Amsterdam  Elsevier Science  April 1997 
 - pp. 217-222  ilus. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>IMPACTO AMBIENTAL<br/>MERCURIO<br/>ORO
<br/><br/><label>Subjects--Geographic Terms: </label><br/>AMAZONIA<br/>BRASIL