M. Kamvar, and S. Baluja. Proceeding of the twenty-sixth annual SIGCHI conference on Human factors in computing systems, page 1013--1016. New York, NY, USA, ACM, (2008)
M. Kamvar, and S. Baluja. CHI '08: Proceeding of the twenty-sixth annual SIGCHI conference on Human factors in computing systems, page 1013--1016. New York, NY, USA, ACM, (2008)