@book { RegionalpolitikundregionaleEntwicklungspotentiale,
    title = "Regionalpolitik und regionale Entwicklungspotentiale",
    author = "Reinhard {Scharff}",
    year = "2018",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b14033",
    url = "https://www.peterlang.com/document/1068565"
}