@ARTICLE{
       Author = {Shannon, C. and Moore, D.}, 
       Title = {{The Spread of the Witty Worm}},
       Journal = {IEEE Security and Privacy}, 
       Volume = {2},
       Number = {4},
       Pages = {46-50},
       Month = {Aug},
       Year = {2004},
       Keywords = {security   network telescope}
}