@misc{id_977,
author = "Kepler, Johannes and Bialas, Volker and Caspar, Max",
title = "Gesammelte Werke",
year = "1998",
address = "München",
publisher = "Beck",
series = "Johannes Kepler Gesammelte Werke",
volume = "20,2",
isbn = "3-406-40592-4",
URL = "http://publikationen.badw.de/de/012171244",
}