@book
{TN_libero_mab2,
author = {
Deutsche Bahn AG
},
title = {
Neubaustrecke Köln-Rhein/Main
Ausbaustrecke (ABS) 4 Köln-Düren-Aachen-Paris/Amsterdam, S-Bahn Köln - Düren, 1. Baustufe Köln - Düren
},
edition = {
August 2002
}
,
publisher = {},
year = {2002},
address = {
Frankfurt am Main
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}