@book { DiePflegetheorievonHildegardEPeplau,
    title = "Die Pflegetheorie von Hildegard E. Peplau",
    author = "Heike {Homburger}",
    year = "2006",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783638495837",
    url = "https://www.hausarbeiten.de/document/54357"
}