Szechy, Karoly <br/><br/>
The art of tunnelling /    
Karoly Szechy; translated from the Hungar ian by Denis and others 
 - Budapest :   Akademiai Kiado,   1966 
 - 891 p. :    ill. ;    25 cm. 
<br/><br/>  Translation of Alagutepitestan 
<br/><br/>Includes bibliographical references 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tunneling--------
<br/><br/><label>Dewey Class. No.: </label>624.19