P. Fritzson. Proceedings of the 7th International Wireless Communications and Mobile Computing Conference (IWCMC 2011), Istanbul, Turkey, page 1648-1653. (2011)
A. Neto, T. Bittar, R. Fortes, and K. Felizardo. SAC '09: Proceedings of the 2009 ACM Symposium on Applied Computing, Honolulu, HI, USA, page 116-120. (2009)