Black, Uyless <br/><br/>
Data communications and distributed networks / Uyless Black. 

 - Prentice Hall 
<br/><br/><label>ISBN: </label>0835912094 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data transmission system          Computer networks
<br/><br/><label>Dewey Class. No.: </label>004.6 BLA