Fundametals of communications systems / 
Fitz, Michael P. 
 - New York :  The McGraw-Hill Companies,  2007. 
 - xxxii, v.p.: 24.2 cm. 
<br/><br/>Includes appendices, index 
<br/><br/><label>ISBN: </label>9780071482806 
<br/><br/><label>Dewey Class. No.: </label>C 621.382 F57 2007