@book { DigitaledrahtloseKamerasysteme,
    title = "Digitale drahtlose Kamerasysteme",
    author = "Johannes {Irion}",
    year = "2004",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832481209",
    url = "https://m.diplom.de/document/223345"
}