Communication systems 
Bruce, Carlson A. 
 - Fourth edition. 
 -  McGraw-Hill Companies, Inc.  2002 
 - xiii,850 pages. 
 - (McGraw-Hill series in electrical and computer engineering) .
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<br/><br/><label>ISBN: </label>0-07-121028-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Digital communications.
<br/><br/><label>Dewey Class. No.: </label>621.38223 C19c 2002