HALSALL,Fred <br/><br/>
Data Communications, Computer Networks and Open Systems 
Fred Halsall 
 - 3rd ed 
 - England  Addison- Wesley Publishing Company  c1992 
 - xi,772p.  ill.;  23cm. 
<br/><br/>Includes Index 
<br/><br/><label>ISBN: </label>0201565064  Tsh 60,000/= 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data Communication<br/>Computer Network<br/>Wde Area
<br/><br/><label>Dewey Class. No.: </label>004.6 HAL