Elldin, Anders and Lind, Gunnar <br/><br/>
Elementary telephone traffic theory 

 - Stockholm  ; International Training Center  , 1971 
 - Various pages 
<br/><br/><label>ISBN: </label> 31.50 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Traffic Engineering<br/>Transport
<br/><br/><label>Dewey Class. No.: </label>388.31  / ELL