@book
{TN_libero_mab2,
author = {
Beck, Hanno
},
title = {
Alexander von Humboldt
},
publisher = {Steiner},
keywords = {
Biografie
,
Humboldt, Alexander von
},
year = {1959-1961},
address = {
Wiesbaden
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}