@book
{TN_libero_mab2,
author = {
Humboldt, Wilhelm von
},
title = {
Briefe an eine Freundin
},
publisher = {Bibliographisches Institut},
year = {[ca. 1886]},
booktitle = {Meyers Volksbücher ; 302-307},
address = {
Leipzig
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}