Communication Engineering Principles/ 
Otung, Ifiok 
 - England:  Palgrave Macmillan,  2001. 
 - xiv, 647p. 
<br/><br/><label>ISBN: </label>9780333775226 
<br/><br/><label>Dewey Class. No.: </label>621.382  / OTU/C