Befani, Guido. “Aiuti Di Stato Al Trasporto Aereo: Illegittime Le Tariffe Agevolate Di Ryanair E Aer Lingus: State Aids to the Air Transport: Unlawful Ryanair and Aer Lingus Tariff Concessions”. DPCE Online 30, no. 2 (July 4, 2017). Accessed April 30, 2025. https://www.dpceonline.it/index.php/dpceonline/article/view/393.