Walter, M <br/><br/>
Encyclopaedia of internet and web : vol. 3 (N-Z) 

 - New Delhi  IVY Publishing House  2002 
 - 516-820p. :  
<br/><br/><label>ISBN: </label>8178900432 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopaedia -- Internet<br/>Internet -- Encyclopaedia<br/>Web -- Encyclopaedia