@book { EinzelfallZeitreihenanalysenimLangdistanzTriathlon,
    title = "Einzelfall-Zeitreihenanalysen im Langdistanz-Triathlon",
    author = "Astrid {Osterburg}",
    year = "2004",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832482183",
    url = "https://m.diplom.de/document/223435"
}