Arfaoui, G., G. Dabosville, S. Gambs, P. Lacharme, and J.-F. Lalande. “A Privacy-Preserving NFC Mobile Pass for Transport Systems”. EAI Endorsed Transactions on Mobile Communications and Applications, vol. 2, no. 5, Dec. 2014, p. e4, doi:10.4108/mca.2.5.e4.