@book
{TN_libero_mab2,
author = {
Groll, Max
Graf, Otto
},
title = {
Kartenkunde
},
publisher = {de Gruyter},
keywords = {
Kartografie
},
year = {19XX-},
booktitle = {Sammlung Göschen ; .},
address = {
Berlin
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}