@misc
{TN_libero_mab2,
author = {
Imhof, Viola
AND
Kuster, Roland
},
title = {
Die Schweizerische Gesellschaft für Kartographie (SGK)
},
publisher = {},
isbn = {0252-9424},
year = {1990},
address = {
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}