@book
{TN_libero_mab2,
author = {
Nasse, Hermann
Leibl, Wilhelm
},
title = {
Wilhelm Leibl
},
publisher = {Schmidt},
year = {1923},
booktitle = {Die Kunstbreviere ; R. 1, Einzelkünstler},
address = {
München
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}