@book
{TN_libero_mab2,
author = {
Peterich, Eckart
},
title = {
Italien
1 Oberitalien, Toskana, Umbrien
},
edition = {
7. Aufl.
}
,
publisher = {Prestel},
isbn = {3791302973},
year = {1979},
address = {
München
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}