@book { SalutogenetischeFaktorenhochaltrigerMenschen,
    title = "Salutogenetische Faktoren hochaltriger Menschen",
    author = "Uwe {Porrmann}",
    year = "2005",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832486297",
    url = "https://m.diplom.de/document/223823"
}