Halsall, Fred <br/><br/>
Data communications, Computer networks and Open systems 

 - 4th ed 
 - EnglaNew Delhi  Addison-Wesley  1996 
 - xvi, 907p.  20 cm.  PB 
 - Electronic systems engineering series .
<br/><br/><label>ISBN: </label>020142293X 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Computer Science<br/>Data Communications<br/>Internetworking
<br/><br/><label>Dewey Class. No.: </label>004.6  / HAL