@misc
{TN_libero_mab2,
author = {
Zimmermann, B.
},
title = {
Zum 350. Todestag von Johannes Kepler
},
publisher = {},
isbn = {0042-4102},
keywords = {
Kepler, Johannes
},
year = {1980},
address = {
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}