Singh, Bhawani. <br/><br/>
Tunnelling in weak rocks  /  
Bhawani Singh, Rajnish K. Goel, John A. Hudson. 
 - Amsterdam:    Elsevier,    2006 
 - xviii, 489 p.:    ill.;    25 cm. 
 - Elsevier geo-engineering book series;    v.5 .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0080449875 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Tunnelling<br/> Tunnels -- Design.