@book
{TN_libero_mab2,
author = {
Lehrl, Siegfried
AND
Lehrl, Maria
AND
Weickmann, Elisabeth
},
title = {
MAT Gehirn-Jogging
2 42 Übungseinheiten
},
publisher = {Vless},
isbn = {3885620618},
year = {1994},
address = {
Ebersberg
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}