@misc{id_979,
author = "Kepler, Johannes and Bialas, Volker and Caspar, Max",
title = "Gesammelte Werke",
year = "2009",
address = "München",
publisher = "Beck",
series = "Johannes Kepler Gesammelte Werke",
volume = "21,2,1",
isbn = "978-3-406-57870-0",
URL = "http://publikationen.badw.de/de/035836814",
}