@book
{TN_libero_mab2,
author = {
Marx, Karl
AND
Engels, Friedrich
},
title = {
Werke
6 [November 1848 - Juli 1849]
},
edition = {
5. Aufl.
}
,
publisher = {Dietz},
year = {1973},
address = {
Berlin
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}