Hills <br/><br/>
Telecommunications Switching Principles 

 -  MIT Press  1979 
<br/><br/> fulltext 
<br/><br/> Monograph 
<br/><br/><label>ISBN: </label>9780262310802 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communication, Networking and Broadcast Technologies