@book { LeanManagementinderPflege,
    title = "Lean Management in der Pflege",
    author = "Sandy  {von Eichel}",
    year = "2013",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783656489825",
    url = "https://www.hausarbeiten.de/document/232311"
}