@book
{TN_libero_mab2,
author = {
Töpfer, Johann Gottlob
Smets, Paul
},
title = {
Lehrbuch der Orgelbaukunst
},
publisher = {Rheingold-Verl.},
keywords = {
Orgelbau
},
year = {19XX-},
address = {
Mainz
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}