Biller, Dan <br/><br/>
Informal gold mining and mercury pollution in Brazil 
by Dan Biller 
 - Washington D.C.  World Bank  1994 
 - 28p. 
 - Policy research working paper 1304 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mercury --Brazil<br/>Environmental degradation --Brazil<br/>Gold mines and mining --Brazil