Liebeherr, J�rg <br/><br/>
Mastering networks: an international LAB manual  an international LAB manual 
Liebeherr, Jorg 
 - Boston, Maas.:  Pearson,  cop. 2004 
 - xv, 392  s.:  ill. 
<br/><br/><label>ISBN: </label>0-201-78134-4