Nutt Gary J <br/><br/>
Open systems / 
Gary J. Nutt. 
 - 3rd ed. 
 - New York :  Pearson,  2004. 
 - xxxiii, 894 p. :  ill.;  23 cm. 
<br/><br/>Includes bibliographical references (p. 873-877) and index. 
<br/><br/><label>ISBN: </label>0321189558 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks<br/>Application software
<br/><br/><label>LC Class. No.: </label>TK5105.5