Wyllie, Duncan C <br/><br/>
Rock slope engineering  Civil and mining 
by Duncan C Wyllie and Christopher W Mah 
 - 4th ed 
 - London  Spon Press  2004 
 - xx, 431p 
<br/><br/><label>ISBN: </label>0415280001 
<br/><br/><label>Dewey Class. No.: </label>624.151363  / P041