@book { PsychologischeAspektezuKinderninPflegefamilien,
    title = "Psychologische Aspekte zu Kindern in Pflegefamilien",
    author = "Liane {Weigel}",
    year = "2005",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783638368841",
    url = "https://www.hausarbeiten.de/document/37590"
}