@book { DieEntstehungdesWasserhaushaltsgesetzesvom27071957,
    title = "Die Entstehung des Wasserhaushaltsgesetzes vom 27.07.1957",
    author = "Antje {Weber}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1099744"
}