@book { LawandEconomicsforLandlinesTelecommunications,
    title = "Law and Economics for Landlines Telecommunications",
    subtitle = "Liberalisation, Regulation and Deregulation in Germany",
    author = "Albrecht {von Breitenbuch}",
    year = "2001",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1092533"
}