BOWERMAN,L.D <br/><br/>
RAPID EXCAVATION AND TUNNELING CONFERENCE PROCEEDINGS(MASSACHUSETTS) 

 - LITTLETON  SMME  1993 
 - 24X16 
<br/><br/><label>ISBN: </label>0-87335-127-4 
<br/><br/><label>Dewey Class. No.: </label>622.2606 B786