@book { PermafrostdegradationindenAlpen,
    title = "Permafrostdegradation in den Alpen",
    author = "Ron {Klug}",
    year = "2010",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783640644957",
    url = "https://www.hausarbeiten.de/document/152512"
}