Gómez, Manuel Ubaldo,   1857-1941 Duffy, Richard Trivelli, Vincent <br/><br/>
At work in copper :   ocupational health and safety in copper smelting /  
Manuel Gómez, Richard Duffy, Vincent Trivelli ; edición : Frank Stella 
 - New York :  Inform,  1979 
 - 336 p. 
 - Inform book .
<br/><br/>Salud pública 
<br/><br/><label>ISBN: </label>0918780136 (v.2) 0918780144 (v.3) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Medicina ocupacional
<br/><br/><label>Dewey Class. No.: </label>616.9803 G633w