@Book{Gerlach1969,
author  = "Gerlach, Walther",
title   = "Humor und Witz in Schriften von Johannes Kepler",
year    = "1969",
address = "München",
series  = "Sitzungsberichte",
volume  = "1968,2",
url     = "https://publikationen.badw.de/en/003384217",
}