Coates, R. F. W.  <br/><br/>
Modern communication systems /  [Book]. 
R.F.W. Coates.  
 - 2nd ed. 
 - London :   Macmillan,   1983, c1982. 
 - xii,398p. :   ill. ;   25cm. 
<br/><br/> Previous ed.: 1975.  Bibliography: p389-392. _ Includes index. 
<br/><br/><label>ISBN: </label>0333333446 (cased) 0333358325 (pbk) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication systems.