Advanced electronic communications systems / 
Tomasi, Wayne 
 - 6th ed. 
 - New Jersey :  Pearson Education, Inc.,  2004. 
 - xiv, 654 p.: 22. 9 cm. 
<br/><br/>Includes answer to selected problems, index 
<br/><br/><label>ISBN: </label>9812471588 
<br/><br/><label>Dewey Class. No.: </label>C 621.382 T59 2004