@misc
{TN_libero_mab2,
author = {
Witte, Erich
},
title = {
Zur Systematik der Deutschen Nationalbibliographie
},
publisher = {},
isbn = {3598101775},
isbn = {0006-5641},
keywords = {
Leipzig
},
year = {1955},
address = {
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}