@book { ErstellungeinesTrainingsplansnachderILBMethode,
    title = "Erstellung eines Trainingsplans nach der ILB-Methode",
    author = "Jessica {Kauffmann}",
    year = "2014",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    url = "https://www.hausarbeiten.de/document/281363"
}