@book { WertsteigerungsmaeEinekritischeAnalyse,
    title = "Wertsteigerungsmaße – Eine kritische Analyse",
    author = "Martin {Hebertinger}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1093345"
}