@article{Demuth2011,
  author    = {Ute Demuth},
  title     = {Webschau April 2011},
  journal   = {pb21.de},
  number    = {20. April 2011},
  url       = {http://pb21.de/2011/04/webschau-april-2011/},
  year      = {2011},
}