SINGH, B. <br/><br/>
ROCK MASS CLASSIFICATION A PRACTICAL APPROACH IN CIVIL / 
B. SINGH. 
 - 1st ED. 
 - LONDON ;  ELSEVIER SCIENCE,      1999. 
 - 267 P. ; 
<br/><br/><label>ISBN: </label>
<br/><br/><label>Dewey Class. No.: </label>624.151  / SIN