Symposium the effect of underground mining on surface / 
International Society for rock mechanics, south african national group 
 - 155 páginas 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geología de minas<br/>Superficies (Tecnología)
<br/><br/><label>LC Class. No.: </label>TN260  / S95