Rock mechanics :  Proceedings of the fifth symposium on rock mechanics held at the University of minnesota may 1962 / 
 Proceedings of the fifth symposium on rock mechanics held at the university of minnesota may 1962 
Ed. by c. airhurst ; symposium sponsored jointly by University of minnesota... [y otros.] 
 - 726 páginas 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Industria minera--Congresos
<br/><br/><label>LC Class. No.: </label>TN5  / S9 1963