@book { GeschichtenausderBergweltVierBergromane, title = "Geschichten aus der Bergwelt: Vier Bergromane", author = "Alfred {Bekker} and Anna {Martach}", year = "2018", publisher = "Uksak E-Books", address = "Lengerich, Germany", url = "https://uksakebooks.grin.com/document/304645" }