@misc
{TN_libero_mab2,
author = {
Busch, Werner
},
title = {
Caspar David Friedrich
},
publisher = {},
isbn = {3406472249},
keywords = {
Friedrich, Caspar David 1774-1840
,
Maler
,
Biografie
},
year = {2001},
address = {
München
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}