M. Morris. CHI '08: Proceeding of the twenty-sixth annual SIGCHI conference on Human factors in computing systems, Seite 1657--1660. New York, NY, USA, ACM, (2008)
M. Morris. Proceeding of the twenty-sixth annual SIGCHI conference on Human factors in computing systems, Seite 1657--1660. New York, NY, USA, ACM, (2008)