Handbook of Communications Systems Management 
Edited by Gilbert Held 
 - New Delhi:  Viva Books Private Limited,  1999. 
 - various pages. 
<br/><br/> HB 
<br/><br/><br/>Eng 
<br/><br/><label>ISBN: </label>8176491020 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication systems
<br/><br/><label>Dewey Class. No.: </label>621.3821  / HAN