J. Villegas-febres, und W. Olivares-rivas. Abstract Book of the XXIII IUPAP International Conference on Statistical Physics, Genova, Italy, (9-13 July 2007)
J. Villegas. ArtsIT, Volume 30 von Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, Seite 272-278. Springer, (2009)
A. Villegas, A. Olivé, und M. Sancho. Conceptual Modelling and Its Theoretical Foundations, Volume 7260 von Lecture Notes in Computer Science, Seite 216-230. Springer, (2012)
J. Garay, B. Schoenmakers, und J. Villegas. Public Key Cryptography, Volume 4450 von Lecture Notes in Computer Science, Seite 330-342. Springer, (2007)