Housley, Trevor  <br/><br/>
Data communications & teleprocessing systems 
Trevor Housley 
 - 2nd ed. 
 - Hyderabad  BS Publications  1987 
 - xix, 474p. 
<br/><br/><label>ISBN: </label>817800075-X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks<br/>Data transmission systems
<br/><br/><label>Dewey Class. No.: </label>384.3 H817d2