@book
{TN_libero_mab2,
author = {
Ziegler, Leopold
AND
Ziegler, Leopold
Keller, Gottfried
AND
Pestalozzi, Johann Heinrich
AND
Stifter, Adalbert
},
title = {
Dreiflügelbild
Gottfried Keller, Heinrich Pestalozzi, Adalbert Stifter
},
publisher = {Kösel},
keywords = {
Stifter, Adalbert
,
Pestalozzi, Johann Heinrich
,
Keller, Gottfried
},
year = {1961},
address = {
München
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}