@Book{Ulmer1925,
author  = "Ulmer, Georg",
title   = "Trichopteren und Ephemeropteren aus dem Bialowieser Wald",
year    = "1925",
address = "München",
series  = "Abhandlungen",
volume  = "5,8",
url     = "https://publikationen.badw.de/en/008543503",
}