@book{id_198, author = "Schumann, Walter", title = "Wasserstandsschwankungen der oberbayerischen Seen", year = "1955", address = "München", publisher = "Verl. der Bayer. Akad. der Wiss.", series = "Abhandlungen", volume = "72", url = "http://publikationen.badw.de/de/003391548", }