@book{id_4786,
author = "Gerlach, Walther",
title = "Johannes Kepler zum 400. Geburtstag",
year = "1972",
address = "München",
publisher = "Verl. d. Bayer. Akad. d. Wiss.",
series = "Festrede",
volume = "12,18",
url = "http://publikationen.badw.de/de/003255844",
}