New tecnology in mine health and safety / 
A. wahab khair, ed. 
 - 361 páginas 
<br/><br/> "proceedings of the symposium held at the sme annual meeting, phoenix, arizona february 24-27, 1992" 
<br/><br/><label>ISBN: </label>0873351088 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Minas y riquezas minerales--Medidas de seguridad<br/>Ingeniería ambiental
<br/><br/><label>LC Class. No.: </label>TN295  / N49