@book { LngenmesskopffrdenEinsatzamHarvesterProzessor,
    title = "Längenmesskopf für den Einsatz am Harvester/Prozessor",
    author = "Robert {Holzer}",
    year = "2002",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832454029",
    url = "https://m.diplom.de/document/220961"
}