Hoek, Evert.  <br/><br/>
Underground excavations in rock 

 - London :   Institution of Mining and Metallurgy,   s.a. 
 - 333 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MECANICA DEL SUELO<br/>MECANICA DE ROCAS<br/>EXCAVACIONES
<br/><br/><label>Universal Decimal Class. No.: </label>624.1 HOE