Rapid excavation and tunneling conference Atlanta, Georgia, June 18-21, 1979 
editors Alfred C. Maevis, William A. Hustrulid 
 - Metallurgical, and Petroleum Engineers, New York  Society of Mining Engineers of the American Institute of Mining  1979 
 - v. ; 24 cm. 
<br/><br/><label>ISBN: </label>0895202662 
<br/><br/><label>LCCN: </label>79-52280 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tunneling--Congresses