Seokhee Jeon, Seungmoon Choi, and Matthias Harders In Fundamentals of Wearable Computers and Augmented Reality (2nd edition), Woody Barfield, CRC Press, pp. 227-258, 2015.
Seokhee Jeon, Seungmoon Choi, and Matthias Harders In Multisensory Softness: Perceived Compliance from Multiple Sources of Information, Massimiliano Di Luca (Ed), Springer, 2014.