Journal of the South Afrian Institute of Mining and Metallurgy 

 - Marshalltown  South Africa Institute of Mining and Metallurgy 
 - Irregular 
 - Vol. 82, No. 1, 1982 - Vol. 82, No. 2, 1982 
<br/><br/> It describes the analogue detection system used on the mines of Anglo American corporation of south Africa limited 
<br/><br/><label>ISSN: </label>0038-223X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mining
<br/><br/><label>LC Class. No.: </label>TN1.55