@electronic{www.eigenfactor.org,
   title       = {Eigenfactor}, 
   url         = {http://www.eigenfactor.org/costeffectiveness.php},
   biburl      = {https://puma.uni-kassel.de/url/d98ce794dcbd601827fe760a5e717370/stephandoerfel},
   keywords    = {citation eigenfactor evaluation science scientometrics webometrics},
   added-at    = {2012-03-12T09:04:46.000+0100},
   description = {Eigenfactor: ranking and mapping scientific knowledge},
   interhash   = {d98ce794dcbd601827fe760a5e717370}, 
   intrahash   = {d98ce794dcbd601827fe760a5e717370}
}