A. Girardello, and F. Michahelles. Proceedings of the 12th international conference on Human computer interaction with mobile devices and services, page 431--434. New York, NY, USA, ACM, (2010)
C. Hsiao, S. Narayanasamy, E. Khan, C. Pereira, and G. Pokam. Proceedings of the Twenty-Second International Conference on Architectural Support for Programming Languages and Operating Systems, page 193--205. ACM, (2017)
S. Bogle, and S. Sankaranarayanan. International Journal of Computer Science, Engineering and Information Technology (IJCSEIT), 2 (1):
75-94(February 2012)