@book { KirchlicheVermgensverwaltungamBeispieldesEthischenInvestments,
    title = "Kirchliche Vermögensverwaltung am Beispiel des Ethischen Investments",
    author = "Falko {Tappen}",
    year = "2005",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1099893"
}