@book { KrafttrainingbeiDiabetes,
    title = "Krafttraining bei Diabetes",
    author = "Sven {Zeißler}",
    year = "2011",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783656030270",
    url = "https://www.hausarbeiten.de/document/180276"
}