R. Ziff, C. Scullard, P. Kleban, und J. Simmons. Abstract Book of the XXIII IUPAP International Conference on Statistical Physics, Genova, Italy, (9-13 July 2007)
J. Jerald, M. Whitton, und F. Steinicke. International Conference on Advances in Computer-Human Interactions (ACHI), Seite 69-75. IEEE Press, (2009)(acceptance rate 23\%).