Distinct element modeling in geomechanics 
edited by V M Sharma,K R Saxena and R D Woods 
 - Rotterdam  A.A. Balkema  1999 
 - vi, 222p. : ill. ; 24 cm 
<br/><br/><label>ISBN: </label>9789054107750 
<br/><br/><label>Dewey Class. No.: </label>624.15130113 SHA