Connor, Frank Robert. <br/><br/>
Signals /  [Book]. 
F.R. Connor.  
 - 2nd ed 
 - London :   Edward Arnold,   1982. 
 - viii, 126 p. :   ill. ;   22 cm. 
 - Introductory topics in electronics and telecommunication .
<br/><br/> Previous ed.: 1972.  Includes index. 
<br/><br/><label>ISBN: </label>0713134585 (corrected : pbk) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Signal theory (Telecommunication)