@misc
{TN_libero_mab2,
author = {
Internationale Fernmelde-Union Telecommunication Standardization Sector
},
title = {
ITU-T recommendation
},
publisher = {},
keywords = {
Monografische Reihe
},
year = {19XX-},
address = {
Geneva
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}