@book { KarteninterpretationBlattL8112FreiburgimBreisgauSd,
    title = "Karteninterpretation - Blatt L8112 Freiburg im Breisgau-Süd ",
    author = "Marie {Burger}",
    year = "2009",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783640258062",
    url = "https://www.hausarbeiten.de/document/121375"
}