@Book{KeplerBialasBoockmannDyckCaspar[1988],
author  = "Kepler, Johannes and Bialas, Volker [Hg./Red.] and Boockmann, Friederike [Hg./Red.] and Dyck, Walther von [Hg./Red.] and Caspar, Max [Hg./Red.]",
title   = "Gesammelte Werke. Manuscripta astronomica (I)",
year    = "[1988]",
address = "München",
series  = "Kepler. Gesammelte Werke",
volume  = "20,1",
url     = "https://publikationen.badw.de/de/000841436",
}