@book{Sherman.2005,
  address = {Medford, NJ},
  author = {Sherman, Chris and Price, Gary},
  edition = {5. print.},
  interhash = {dc1ce7416af96d226839fb081abaea90},
  intrahash = {55f48797c52a742aa8e6a42c3a73005e},
  isbn = {0910965514},
  publisher = {Information Today},
  series = {CyberAge books},
  title = {The invisible web:  Uncovering information sources search engines can't see},
  year = 2005
}

@book{Rockley.2003,
  address = {Berkley, Calif.},
  author = {Rockley, Ann and Kostur, Pamela and Manning, Steve},
  interhash = {02e7298bef71bde4e2297617945699bb},
  intrahash = {871e44acb13d17c61674cfc9566e7b9e},
  isbn = {0735713065},
  publisher = {New Riders},
  title = {Managing enterprise content:  A unified content strategy},
  year = 2003
}

@book{Horvath.1996,
  address = {Braunschweig},
  author = {Horváth, Péter},
  edition = {2., überarb. und erw. Aufl.},
  interhash = {2495b0bd71379084bee7178ca91f3499},
  intrahash = {88a2ff12fe2aee75887e4c048822f701},
  isbn = {3528153922},
  publisher = {Vieweg},
  title = {Online-Recherche:  Neue Wege zum Wissen der Welt},
  year = 1996
}

@book{Szczepaniak.2003,
  address = {Heidelberg},
  author = {Szczepaniak, S. Piotr},
  interhash = {a1feb6f48935fb6da7354a4eff2222b1},
  intrahash = {3cbde01fe7d0ad8c8480868cfb99b8bf},
  isbn = {3790815292},
  price = {EUR 80.20},
  publisher = {Physica-Verl.},
  series = {Studies in fuzziness and soft computing},
  title = {Intelligent exploration of the Web},
  volume = 111,
  year = 2003
}

@book{Kempa.2002,
  address = {Düsseldorf},
  author = {Kempa, Sonja},
  interhash = {0e65e5bb590503a27f02c3968b55fcc4},
  intrahash = {c5c4dcdbe947d10b71452c3aaf52cc73},
  isbn = {3831136769},
  price = {EUR 25.00},
  publisher = {S. Kempa},
  title = {Qualität von Online-Fachinformation},
  url = {http://www.gbv.de/dms/hebis-darmstadt/toc/104165510.pdf},
  year = 2002
}