en: Cross-subsidies between the four companies AS Oslo Sporveier, AS Sporveisbussene, Arctic Express AS and Sporveisbussenes Turbiler AS [5],
el: διασταυρούμενες επιδοτήσεις μεταξύ των τεσσάρων εταιρειών AS Oslo Sporveier, AS Sporveisbussene, Arctic Express AS και Sporveisbussenes Turbiler AS [5],