Singh, Bhawani. <br/><br/>
Engineering rock mass classification :  tunneling, foundations, and landslides / 
Bhawani Singh, R.K. Goel. 
 - Waltham, MA :  Butterworth-Heinemann,  2011. 
 - xv, 365 p. :  ill., maps ;  24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780123858788 (alk. paper) 012385878X (alk. paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering geology.<br/>Tunneling.<br/>Foundations.<br/>Landslides--Prevention.<br/>Rocks--Classification.<br/>Rock mechanics.