@book { StdtebaulicheVertrgezurBaulandbereitstellung,
    title = "Städtebauliche Verträge zur Baulandbereitstellung",
    author = "Vera Katharina {Grötz}",
    year = "2020",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b17133",
    url = "https://www.peterlang.com/document/1058958"
}