Proceeding/International Congress on Rock Mechanics 

 - Rotterdam:  A. A. Balkema,  1983. 
 - v.:  ill.;  29 cm. 
<br/><br/> At head of title: International Society for Rock Mechanics 
<br/><br/><br/>engfregre 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rock mechanics--Congresses