Chorafas, Dimitris N. <br/><br/>
Telephony  today and tomorrow 
Dimitris N. Chorafas 
 - Englewood Cliffs, N.J.  Prentice-Hall  1984 
 - xii, 292p.  ill.  23cm. 
 - Prentice-Hall series in data processing management .
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>0139027009  RM70.82 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication--Technological innovations<br/>Telephone--Technological innovations