ISRMTT <br/><br/>
SEMINAR ON ROCK MECHANICS AND TUNNELLING TECHNOLOGY (WITH SPECIAL REFERENCE TO N 

 - NEW DELHI  ISRMTT  1999 
 - 239p.,28X21Cms. 
<br/><br/><label>ISBN: </label>81-86501-23-1 
<br/><br/><label>Dewey Class. No.: </label>622.2 I86