@book
{TN_libero_mab2,
author = {
Osburg, Florian
},
title = {
Expedition Geschichte
},
edition = {
Mittelschule Sachsen
}
,
publisher = {Diesterweg},
keywords = {
Schulbuch
,
Geschichtsunterricht
,
Sekundarstufe 1
},
year = {19XX-},
address = {
Frankfurt a. M.
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}