@article{SchoelerSanner1998,
  author    = {Sch{\"o}ler, Klaus and Sanner, Helge},
  title     = {Spatial price discrimination in two-dimensional competitive markets},
  year      = {1998},
  language  = {en}
}
@article{SchoelerSanner1998,
  author    = {Sch{\"o}ler, Klaus and Sanner, Helge},
  title     = {Spatial Price Discrimination in Two-Dimensional Competitive Markets},
  year      = {1998},
  language  = {en}
}
@article{SchoelerHerrmann1996,
  author    = {Sch{\"o}ler, Klaus and Herrmann, Hayo},
  title     = {Leading Indicators for West German Regions},
  isbn      = {1-85972-267-9},
  year      = {1996},
  language  = {en}
}
@article{Schoeler1997,
  author    = {Sch{\"o}ler, Klaus},
  title     = {Tariffs, factor prices and welfare in a spatial oligopoly},
  year      = {1997},
  language  = {en}
}
@article{Schoeler1997,
  author    = {Sch{\"o}ler, Klaus},
  title     = {Tarrifs, factor prices and welfare in a spatial oligopoly},
  year      = {1997},
  language  = {en}
}
@article{Schoeler2001,
  author    = {Sch{\"o}ler, Klaus},
  title     = {International trade and spatial markets : trade policy from a theory of spatial pricing perspective},
  isbn      = {3-7908-1358-3},
  year      = {2001},
  language  = {en}
}
@article{Schoeler2001,
  author    = {Sch{\"o}ler, Klaus},
  title     = {Regional Market Areas at the EU Border},
  isbn      = {3-7908-1344-3},
  year      = {2001},
  language  = {en}
}