D. Millen, J. Feinberg, and B. Kerr. Proceedings of the SIGCHI conference on Human Factors in computing systems, page 111--120. New York, NY, USA, ACM, (2006)
C. Dugan, M. Muller, D. Millen, W. Geyer, B. Brownholtz, and M. Moore. GROUP '07: Proceedings of the 2007 international ACM conference on Conference on supporting group work, page 387--390. New York, NY, USA, ACM, (2007)
J. Thom-Santelli, M. Muller, and D. Millen. CHI '08: Proceeding of the twenty-sixth annual SIGCHI conference on Human factors in computing systems, page 1041--1044. New York, NY, USA, ACM, (2008)
D. Millen, J. Feinberg, and B. Kerr. Proceedings of the SIGCHI conference on Human Factors in computing systems, page 111--120. New York, NY, USA, ACM, (2006)