@phdthesis{Schmidt2015,
  author      = {Andreas Schmidt},
  title       = {{\"U}berlegene Gesch{\"a}ftsmodelle},
  type        = {doctoralthesis},
  pages       = {XVI, 454},
  doi       = {10.1007/978-3-658-08656-5},
  year        = {2015},
}