B. Kirman, C. Linehan, S. Lawson, D. Foster, and M. Doughty. Proceedings of the ACM Conference Extended Abstracts on Human Factors in Computing Systems (CHI EA '10), Atlanta, GA, USA, page 2685--2694. (2010)
K. Wongpatikaseree, J. Kim, Y. Makino, A. Lim, and Y. Tan. Distributed, Ambient, and Pervasive Interactions: Proc.\ of the First International Conference (DAPI 2013), Las Vegas, NV, USA, 8028, Springer, Heidelberg, (2013)