@book { DopingimprofessionellenSport,
    title = "Doping im professionellen Sport",
    author = "Ralf {Stolte}",
    year = "2003",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832466527",
    url = "https://m.diplom.de/document/222039"
}