@book{id_8606,
author = "Heisenberg, August",
title = "Ikonographische Studien",
year = "1922",
address = "München",
publisher = "Franz",
series = "Sitzungsbericht der Bayerischen Akademie der Wissenschaften",
volume = "1921,4",
url = "http://publikationen.badw.de/de/005689108",
}