Halsall, Fred. <br/><br/>
Data communications, computer networks and open systems  [Book] / 
Fred Halsall. 
 - 4th ed. 
 - New Delhi: :  Pearson Education.,  c1996. 
 - xi, 907 p. :  ill. ;  24 cm. 
 - Electronic systems engineering series. .
<br/><br/> Includes index 
<br/><br/> All. 
<br/><br/><label>ISBN: </label>8178080982 : 
<br/><br/><label>Nat. Bib. No.: </label>GB92-12653 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data transmission systems.<br/>Computer networks.<br/>Local area networks (Computer networks).<br/>Computer network protocols.
<br/><br/><label>Dewey Class. No.: </label>004.6