Halsall, Fred. <br/><br/>
Data communications, computer networks, and open systems /  
Fred H alsall. 
 - 3rd ed. 
 - Wokingham, England ;    Reading, Mass. :    Addison-Wesley Pub. Co.,    c1992. 
 - xi, 772 p. :    ill. ;    224 cm. 
 - Electronic systems engineering series .
<br/><br/>  Rev. ed. of: Data communications, computer networks, and OSI. c1988. 
<br/><br/>Includes bibliographical references (p. 761-765) and index. 
<br/><br/><label>ISBN: </label>0201565064 :     
<br/><br/><label>LCCN: </label>91-040180 
<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