@book
{TN_libero_mab2,
author = {
Heimpel, Hermann
},
title = {
Deutsches Mittelalter
},
publisher = {Koehler & Amelang},
keywords = {
Deutschland
,
Geschichte 900-1500
},
year = {1941},
address = {
Leipzig
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}