@Book{Günther1918,
author  = "Günther, Siegmund",
title   = "Über eine ostafrikanische Naturkatastrophe",
year    = "1918",
address = "München",
series  = "Sitzungsberichte",
volume  = "1918,18",
url     = "https://publikationen.badw.de/de/003399190",
}