@book { Trainingslehre3imGesundheitsmanagementBeweglichkeitstraining,
    title = "Trainingslehre 3 im Gesundheitsmanagement. Beweglichkeitstraining",
    author = "Saskia {Ziegler}",
    year = "2018",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    url = "https://www.hausarbeiten.de/document/442413"
}