BALKEMA,A A <br/><br/>
PROCEEDING OF THE MACHANICS SYMPOSIUM ON ROCK MACHANICS TOOLS & TECHNIQUES VOL.1 

 - ROTTERDAM  A.A. Balkema  1996 
 - 1048p.,27X18cms. 
<br/><br/><label>ISBN: </label>9054108398 
<br/><br/><label>Dewey Class. No.: </label>622,2 B171