@book { AssessingCostRecovery,
    title = "Assessing Cost Recovery",
    subtitle = "A New Comparative Framework in Line with WFD Article 9",
    author = "Britta {Ammermüller}",
    year = "2011",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-01347-4",
    url = "https://www.peterlang.com/document/1045608"
}