@article{CampbellFuhr2004,
  author    = {Campbell, Tim and Fuhr, Harald},
  title     = {Conclusions and policy lessons},
  isbn      = {0-8213-5707-7},
  year      = {2004},
  language  = {en}
}
@article{CampbellFuhr2004,
  author    = {Campbell, Tim and Fuhr, Harald},
  title     = {Research questions : inventing decentralized government},
  isbn      = {0-8213-5707-7},
  year      = {2004},
  language  = {en}
}
@article{CampbellFuhr2004,
  author    = {Campbell, Tim and Fuhr, Harald},
  title     = {Selection of cases and methods},
  isbn      = {0-8213-5707-7},
  year      = {2004},
  language  = {en}
}