Scale effects in rock masses; proceedings of the First International Workshop on scale effects in rock masses/Loen/Norway/7-8 June 1990 
edited by A.Pinto Da Cunha 
 - Rotterdam  A. A. Balkema  1990 
 - 339 p. ; 24 cm. 
<br/><br/><label>ISBN: </label>9061911265 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rocks--Analysis--Congresses<br/>Mass(Physics)--Congresses