@book { DerLnderfinanzausgleichinDeutschland,
    title = "Der Länderfinanzausgleich in Deutschland",
    author = "Wolfgang {Scherf}",
    year = "2018",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b13737",
    url = "https://www.peterlang.com/document/1068316"
}