Council regulation (EEC) no 2183/78 of 19 September 1978 laying dawn uniform costing principles for railway undertakings - European Commission (Λουξεμβούργο: Υπηρεσία Επισήμων Εκδόσεων των ΕυρωπαΪκών κοινοτήτων, 1996)
Keywords: Railway transport -- European Union