Szechy Karoly <br/><br/>
Art of tunnelling 

 -  1966 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>67299 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tunnel
<br/><br/><label>Dewey Class. No.: </label>D4194:4, K6