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. Torning, and H. Oinas-Kukkonen. Proceedings of the 4th International Conference on Persuasive Technology (PERSUASIVE 2009), Claremont, CA, page 30:1-30:8. New York, ACM, (2009)
S. Bongartz, Y. Jin, F. Paternò, J. Rett, C. Santoro, and L. Spano. Ambient Intelligence: Third International Joint Conference, AmI 2012, Pisa, Italy, volume 7683 of Lecture Notes in Computer Science, Springer, Heidelberg, (2012)
P. Lobo, T. Romão, A. Dias, and J. Danado. Ambient Intelligence: European Conference, AmI 2009, Salzburg, Austria, volume 5859 of Lecture Notes in Computer Science, Springer, Berlin, (2009)