@book
{TN_libero_mab2,
author = {
Kessel, Eberhard
},
title = {
Wilhelm v. Humboldt
Idee und Wirklichkeit
},
publisher = {Koehler},
keywords = {
Humboldt, Wilhelm von
},
year = {1967},
address = {
Stuttgart
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}