Tomasi, Wayne <br/><br/>
Advance/electronic communications systems / 
Wayne Tomasi. 
 - 4th ed. 
 - Englewood Cliffs, N. J. :  Prentice Hall,  c1998. 
 - xii, 413 p. : ill. ; 23 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0137509863 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Digital communications.<br/>Telecommunication systems.