@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}, 
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}

@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}, 
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}