DATA COMMUNICATIONS :   COMPREHENSIVE APROACH/  
G. HELD, R. SARCH 
 - 2 
 - NEW YORK:   MCGRAW-HILL  1989 
 - XIX, 539 P.  23 CM. 
<br/><br/> INCLUYE INDICE. 
<br/><br/><label>ISBN: </label>0-07-607002-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>1.INFORMACION SISTEMAS DE TRANSMISION.
<br/><br/><label>Dewey Class. No.: </label>384.3 H45