@book { DerEndenergiebedarfinderBundesrepublikDeutschland,
    title = "Der Endenergiebedarf in der Bundesrepublik Deutschland",
    author = "Volker {Grunwald} and Eberhard {Weiss} and Harald {Pützstück}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1072434"
}