@book { DronesFutureofAviationLaw,
    title = "Drones – Future of Aviation Law?",
    author = "Piotr {Kasprzyk} and Anna {Konert}",
    year = "2023",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b20554",
    url = "https://www.peterlang.com/document/1299417"
}