@article{WagnerGrosenickLegel2005,
  author    = {Wagner, Dieter and Grosenick, Christian and Legel, Alexander},
  title     = {Webgest{\"u}tzte Erhebungsinstrumente im Einsatz},
  year      = {2005},
  language  = {de}
}
@article{KupkeLegel2006,
  author    = {Kupke, S{\"o}ren and Legel, Alexander},
  title     = {Governance : a multi-level analysis},
  isbn      = {3-86573-208-9},
  year      = {2006},
  language  = {en}
}
@article{LegelKupke2007,
  author    = {Legel, Alexander and Kupke, S{\"o}ren},
  title     = {Transaktionskostentheorie und die Steuerung von Netzwerken},
  isbn      = {978-3-86573-266-8},
  year      = {2007},
  language  = {de}
}