1. [1] A. Vives-Guasch, M. Payeras-Capella, M. Mut-Puigserver, and J. Castellà-Roca, “E-ticketing scheme for mobile devices with exculpability,” Data Privacy Management (DPM), Fifth International Workshop, Lect. Notes Comput. Sci., vol.6514, pp.79-92, 2010. ISSN 0302-9743.
2. [2] W. Siu and Z. Guo, “Application of electronic ticket to online trading with smart card technology,” Proceedings of the 6th INFORMS Conference on Information Systems and Technology (CIST-2001), pp.222-239, Miami Beach, Florida (US), 2001.
3. [3] J.L. Ferrer-Gomilla, J.A. Onieva, M. Payeras, and J. Lopez, “Certified electronic mail: Properties revisited,” Computers and Security, vol.29, no.2, pp.167-179, ISSN 0167-4048, 2010.
4. [4] J. Elliot, “The one-card trick multi-application smart card e-commerce prototypes,” Computing & Control Engineering Journal, vol.10, no.3, pp.121-128, 1999.
5. [5] D. Haneberg, “Electronic ticketing: risks in e-commerce applications,” Digital excellence, pp.55-66, 2008. ISBN 3540726209.