KURZBERICHT - Essentials des Electronic Ticketing
Verkehr und Technik ; 58 , 6 ; 255
2005
Article (Journal)
German
IuD Bahn | 2002
|Qua vadis, Electronic Ticketing?
British Library Online Contents | 2005
Online Contents | 1997
VDV-Standard für "electronic ticketing"
IuD Bahn | 1999
|