@book{die+rhein+donau+wasserscheide+in+baden,
    author = {Gutmann, Hubert},
    title = {Die Rhein-Donau-Wasserscheide in Baden},
    address = {Emmendigen},
    publisher = {Druck- und Verlags-Gesellschaft vorm. Dölter},
    date = {1906}
}