@article{Stelkens2006,
  author    = {Ulrich Stelkens},
  title     = {\"Kooperationsvertrag\" und Vertragsanpassungsanspr{\"u}che: Zur beabsichtigten Reform der \S\S 54 ff. VwVfG},
  series   = {Nordrhein-Westf{\"a}lische Verwaltungsbl{\"a}tter},
  volume    = {20},
  number    = {1},
  publisher = {Boorberg},
  address   = {Stuttgart},
  issn      = {0932-710X},
  url       = {https://nbn-resolving.org/urn:nbn:de:0246-opus4-20869},
  pages     = {1 -- 7},
  year      = {2006},
  abstract  = {.},
  language  = {de}
}