Atkinson, J. <br/><br/>
Telephony : volume I 
J. Atkinson 
 -  c.1948 
<br/><br/><label>ISBN: </label>0273431803 
<br/><br/><label>Subjects--Topical Terms: </label> MS Communication --MSCom
<br/><br/><label>Dewey Class. No.: </label>621.385 ATK