L. Lee, Y. Juan, K. Lee, W. Tseng, H. Chen, and Y. Tseng. Proceedings of the 2012 ACM conference on Computer and communications security, page 992--994. New York, NY, USA, ACM, (2012)
K. Joo, J. Lee, I. Kim, S. Lee, and J. Lee. Abstract Book of the XXIII IUPAP International Conference on Statistical Physics, Genova, Italy, (9-13 July 2007)