@book { RegionalkonomischeEffektevonFlughfen,
    title = "Regionalökonomische Effekte von Flughäfen",
    author = "Jens {Hujer}",
    year = "2018",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b13658",
    url = "https://www.peterlang.com/document/1130624"
}