Perrine James Owen <br/><br/>
Physics and mathematics in electrical communication 

 -  1958 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>74462 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telephony
<br/><br/><label>Dewey Class. No.: </label>D66:4:B, J8