@book
{TN_libero_mab2,
author = {
Humboldt, Wilhelm von
},
title = {
Briefe an eine Freundin
},
edition = {
13. Originalaufl.
}
,
publisher = {Brockhaus},
year = {1898},
abstract = {In Fraktur},
address = {
Leipzig
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}