@electronic{voson.anu.edu.au,
   title       = {Virtual Observatory for the Study of Online Networks (VOSON)}, 
   url         = {http://voson.anu.edu.au/},
   biburl      = {https://puma.uni-kassel.de/url/41902041b7aaee078e97da308e8921b5/benz},
   keywords    = {crawler export social_networks voson web},
   added-at    = {2011-04-04T23:23:06.000+0200},
   description = {The Virtual Observatory for the Study of Online Networks (VOSON) Project is based at the Australian Demographic and Social Research Institute, The Australian National Univeristy. We aim to advance the Social Science of the Internet through new empirical research into online networks and the development of the following associated e-Research tools:},
   interhash   = {41902041b7aaee078e97da308e8921b5}, 
   intrahash   = {41902041b7aaee078e97da308e8921b5}
}

@electronic{web-harvest.sourceforge.net,
   title       = {Web-Harvest Project Home Page}, 
   url         = {http://web-harvest.sourceforge.net/},
   biburl      = {https://puma.uni-kassel.de/url/489a92306a86fc52a35e02f56e9739d6/benz},
   keywords    = {crawler free mirror software tool web web-harvest www},
   added-at    = {2011-03-09T23:23:05.000+0100},
   description = {},
   interhash   = {489a92306a86fc52a35e02f56e9739d6}, 
   intrahash   = {489a92306a86fc52a35e02f56e9739d6}
}

@electronic{nutch.apache.org,
   title       = {Welcome to Nutch!}, 
   url         = {http://nutch.apache.org/},
   biburl      = {https://puma.uni-kassel.de/url/c463a4381eb837f9f5d45978cfbde79e/benz},
   keywords    = {crawler java lib nutch software},
   added-at    = {2011-02-04T16:06:52.000+0100},
   description = {},
   interhash   = {c463a4381eb837f9f5d45978cfbde79e}, 
   intrahash   = {c463a4381eb837f9f5d45978cfbde79e}
}