Rock mechanics in engineering practice / 
edited by K.G. Stagg and O.C. Zienkiewicz. 
 - London :  Wiley,  1968 
 - 442 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>0471819654 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rock mechanics.