Richardson, Harold W. <br/><br/>
Practical tunnel driving 

 - New York :  McGraw-Hill,  1941 
 - 436 p.  : ilus. 
<br/><br/><label>LCCN: </label>48252 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Túneles.
<br/><br/><label>Dewey Class. No.: </label>624.19  / R52