BALKEMA,A A <br/><br/>
PROCEEDING OF THE MACHANICS SYMPOSIUM ON ROCK MACHANICS TOOLS & TECHNIQUES VOL 2 

 - ROTTERDAM  A.A. Balkema  1996 
 - 2050p.,27X18cms. 
<br/><br/><label>ISBN: </label>9054108401 
<br/><br/><label>Dewey Class. No.: </label>622.2 B171