@book
{TN_libero_mab2,
author = {
Universität Leipzig
},
title = {
Allgemeine Warenkunde
},
publisher = {Karl-Marx-Universität},
year = {19XX-},
booktitle = {Lehrmaterial f. d. Fernstudium},
address = {
Leipzig
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}