Halsall, Fred, <br/><br/>
Data communications, computer networks, and open systems / 
Fred Halsall. 
 - 4th edn. 
 - Harlow, England :  Addison-Wesley Pub. Co.,  1996. 
 - xvi, 907 p. :  ill. ;  25 cm. 
 - Electronic systems engineering series .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>020142293X 9780201422931 
<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>LC Class. No.: </label>TK5105  / .H35 1996 
<br/><br/><label>Dewey Class. No.: </label>004.6  / /HAL