@book { ProjektmanagementinWohlfahrtsverbnden,
    title = "Projektmanagement in Wohlfahrtsverbänden",
    author = "Martin {Mikosch}",
    year = "1999",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832417673",
    url = "https://m.diplom.de/document/217630"
}