@Book{Kißling1978,
author  = "Kißling, Hans Joachim",
title   = "Probleme der älteren osmanischen Schwarzmeer-Kartographie",
year    = "1978",
address = "München",
series  = "Sitzungsberichte",
volume  = "1978,4",
url     = "https://publikationen.badw.de/en/003323992",
}