@book
{TN_libero_mab2,
author = {
Herbart, Johann Friedrich
Ziller, Tuiskon
},
title = {
Herbartische Reliquien
ein Supplement zu Herbart's Sämmtlichen Werken
},
publisher = {},
year = {1871},
address = {
Leipzig
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}