@book
{TN_libero_mab2,
author = {
Asselborn, Wolfgang
},
title = {
Chemie heute
Sekundarbereich I
},
edition = {
Sachsen, Gymnasium
}
,
publisher = {Schroedel},
year = {20XX-},
address = {
Hannover
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}