@book { ElectronicChartDisplayandInformationSystemECDIS,
    title = "Electronic Chart Display and Information System (ECDIS)",
    subtitle = "Eine Praxisorientierte Anleitung in die grundlegenden Funktionen und Möglichkeiten",
    author = "Roman {Lehnhoff}",
    year = "2002",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832456351",
    url = "https://m.diplom.de/document/221115"
}