@book
{TN_libero_mab2,
author = {
Fischer, Heinz
},
title = {
Das freie Unterrichtsgespräch
},
publisher = {Westermann},
keywords = {
Unterrichtsgespräch
},
year = {1955},
address = {
Braunschweig
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}