@article{Knobloch2008,
  author    = {Knobloch, Eberhard},
  title     = {Publikationen von Herbert Pieper},
  volume    = {IX},
  number    = {16},
  publisher = {Universit{\"a}tsverlag Potsdam},
  address   = {Potsdam},
  issn      = {1617-5239},
  url       = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-42238},
  pages     = {5 -- 9},
  year      = {2008},
  language  = {de}
}
@article{Knobloch2008,
  author    = {Knobloch, Eberhard},
  title     = {Herbert Pieper zum 65. Geburtstag},
  series = {Alexander von Humboldt im Netz ; international review for Humboldtian studies},
  volume    = {IX},
  journal   = {Alexander von Humboldt im Netz ; international review for Humboldtian studies},
  number    = {16},
  publisher = {Universit{\"a}tsverlag Potsdam},
  address   = {Potsdam},
  issn      = {2568-3543},
  url       = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-42162},
  pages     = {5 -- 9},
  year      = {2008},
  language  = {de}
}