Encyclopaedia of internet and web, Volume-3 (N-Z) - Walter M (Delhi : IVY Publishing House, 2002)
https://www.worldcat.org/title/encyclopaedia-of-internet-and-web/oclc/225739087&referer=brief_results http://www.amazon.com/Encyclopaedia-of-internet-and-Web/dp/8178900432/ref=sr_1_1?s=books&ie=UTF8&qid=1414154870&sr=1-1&keywords=8178900432
Keywords: Encyclopaedia