@misc
{TN_libero_mab2,
author = {
Evans, Helen C.
AND
Little, Charles T.
AND
Boehm, Barbara Drake
},
title = {
Medieval Europe
},
publisher = {Metropolitan Museum of Art},
isbn = {0026-1521},
year = {1998},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}