Held, Gilbert <br/><br/>
Understanding Data Communications  

 - 7th 
 - Singapore:  Pearson education  ,2003. 
 - xxxiv,973p.  NA  Pirated 
<br/><br/> NA 
<br/><br/><label>ISBN: </label>8129702118 
<br/><br/><label>Subjects--Personal Names: </label><br/>Computer Science
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer science, information & general works
<br/><br/><label>Dewey Class. No.: </label>004.6 HEL