K. Kyung, J. Lee, and J. Park, Haptic Stylus and Empirical Studies on Braille, Button, and Texture Display, Journal of Biomedicine and Biotechnology, vol.7, issue.4, 2008.
DOI : 10.1145/1060581.1060588

C. Harrison and S. E. Hudson, Providing dynamically changeable physical buttons on a visual display, Proceedings of the 27th international conference on Human factors in computing systems, CHI 09, pp.299-308, 2009.
DOI : 10.1145/1518701.1518749

E. Hoggan, S. Brewster, and J. Johnston, Investigating the effectiveness of tactile feedback for mobile touch screens, Proc. of 26th Annual CHI Conf. on Human Factors in Computing Systems, pp.1573-1582, 2008.

K. Fukuyama, N. Takahashi, F. Zhao, and H. Sawada, Tactile display using the vibration of SMA wires and the evaluation of perceived sensations, 2009 2nd Conference on Human System Interactions, pp.685-690, 2009.
DOI : 10.1109/HSI.2009.5091060

S. Okumoto, F. Zhao, and H. Sawada, Tactoglove presenting tactile sensations for intuitive gestural interaction, 2012 IEEE International Symposium on Industrial Electronics, pp.1680-1685, 2012.
DOI : 10.1109/ISIE.2012.6237343

F. Zhao, C. Jiang, and H. Sawada, A Novel Braille Display Using the Vibration of SMA Wires and the Evaluation of Braille Presentations, Journal of Biomechanical Science and Engineering, vol.7, issue.4, pp.416-432, 2012.
DOI : 10.1299/jbse.7.416

M. Hafiz and H. Sawada, Presentation of button repulsive sensations on touch screen using SMA wires, 2011 IEEE International Conference on Mechatronics and Automation, pp.1-6, 2011.
DOI : 10.1109/ICMA.2011.5985621

K. Fukuyama and H. Sawada, A Texture Presentation System and the Evaluation of Effects of Visual Stimuli to the Perception of Tactile sensations, pp.247-250, 2010.

H. Sawada and Y. Takeda, Tactile pen for presenting texture sensation from touch screen, 2015 8th International Conference on Human System Interaction (HSI)
DOI : 10.1109/HSI.2015.7170689