@book
{TN_libero_mab2,
author = {
Bergmans, Bernhard
},
title = {
Schuldrecht
},
publisher = {Logos-Verl.},
keywords = {
Lehrbuch
,
Deutschland
,
Schuldrecht
},
year = {20XX-},
address = {
Berlin
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}