Analogue and digital  communication techniques 
Smillie grahame 
 - Britain  Arnold         1999 
 - 295p. 
<br/><br/><label>ISBN: </label>0340731257 
<br/><br/><label>Subjects--Topical Terms: </label>--School of Pure and Applied Sciences
<br/><br/><label>LC Class. No.: </label>TK5105.  / S567