@book{id_10749,
author = "Dertsch, Richard",
title = "Landkreis Sonthofen",
year = "1974",
address = "München",
publisher = "Komm. für Bayerische Landesgeschichte",
series = "Historisches Ortsnamenbuch von Bayern",
volume = "Schwaben; 7",
isbn = "3-7696-9870-3",
}