@book { TheInfluenceofanAirExposureontheSecondaryElectronYieldofCopper,
    title = "The Influence of an Air Exposure on the Secondary Electron Yield of Copper",
    author = "Christian {Scheuerlein}",
    year = "2002",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832454326",
    url = "https://m.diplom.de/document/220989"
}