Briggs, Asa <br/><br/>
Gutemberg a Internet, De./ 
Briggs, Asa, Burke, Peter 
 - Madrid  Taurus  2002 
 - 425p.  24 cm 
<br/><br/><label>ISBN: </label>84-306-0479-0 
<br/><br/><label>Universal Decimal Class. No.: </label>316.77