@book
{TN_libero_mab2,
author = {
Gebhardt, Bruno
},
title = {
Wilhelm von Humboldt als Staatsmann
},
publisher = {Cotta},
keywords = {
Humboldt, Wilhelm von
,
Politik
},
year = {18XX-},
address = {
Stuttgart
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}