International Workshop on Scale Effects in Rock Masses (1st : 1990 : Leon). <br/><br/>
Scale effects in rock massess :  proceedings of the first International Workshop on ... Loen, Norway, 7-8 June 1990 / 
Ed. by A. Pinto da Cunha. 
 - Rotterdam :  Balkema,  1990. 
 - ix, 339 p. : ill. 
<br/><br/><label>ISBN: </label>9061911265 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rock mechanics.<br/>Rocks--Testing.<br/>Petrology.