HALSALL, Fred <br/><br/>
Data communications, computer networks and OSI 

 - 2nd ed. 
 -  Reading, Mass : Addison-Wesley  1988 
 - 549 p. 
<br/><br/><label>ISBN: </label>0000201182440 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Networks
<br/><br/><label>Dewey Class. No.: </label>004.6  / H14