Practical network design techniques 
Held, Gilbert. 
 -  John Wiley and Sons.  1991 
 - 257 pages. 
<br/><br/>
<br/><br/><label>ISBN: </label>0-471-92938-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks.
<br/><br/><label>Dewey Class. No.: </label>004-65 H428 1991