@book
{TN_libero_mab2,
author = {
Kustos, Norbert
AND
Wittich, Gustav A.
},
title = {
Portugal
},
publisher = {Ellert & Richter},
isbn = {3892346127},
keywords = {
Portugal
,
Bildband
},
year = {1995},
booktitle = {Eine Bildreise},
address = {
Hamburg
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}