Gralla, Preston <br/><br/>
How the Internet Works 
by Preston Gralla 
 - 8th.ed. 
 - Boston  QUE Publishing  2007 
 - xiii416p.:  ill.  25cm 
<br/><br/> include bibliograpgy reference and index 
<br/><br/>Structural analysis 
<br/><br/><label>ISBN: </label>0789736268 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ANS,DNS,DIS<br/>Internet--Popular works