@book { DasWeltraumrechtinEuropa,
    title = "Das Weltraumrecht in Europa",
    subtitle = "Eine Analyse der nationalen Regelungen zur Raumfahrt",
    author = "Isabelle {Reutzel}",
    year = "2014",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-04231-3",
    url = "https://www.peterlang.com/document/1048402"
}