@book
{TN_libero_mab2,
author = {
Caselmann, Christian
},
title = {
Der unsystematische Herbart
},
publisher = {Quelle Meyer},
keywords = {
Herbart, Johann Friedrich
},
year = {1962},
address = {
Heidelberg
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}