@book { ErfolgskontrolledesAbwasserabgabengesetzes,
    title = "Erfolgskontrolle des Abwasserabgabengesetzes",
    author = "Marietta {Jass-Teichmann}",
    year = "2018",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b13591",
    url = "https://www.peterlang.com/document/1068195"
}