P. Luff, N. Yamashita, H. Kuzuoka, and C. Heath. Proceedings of the 2011 annual conference on Human factors in computing systems, page 43--52. New York, NY, USA, ACM, (2011)
K. Groth, O. Frykholm, and A. Yngling. Proceedings of the ACM 2011 conference on Computer supported cooperative work, page 633--636. New York, NY, USA, ACM, (2011)
D. Petrasek, A. Barr, and K. Palem. Proceedings of the 2010 international conference on Compilers, architectures and synthesis for embedded systems, page 53--54. New York, NY, USA, ACM, (2010)