D. Abrams, R. Baecker, and M. Chignell. Proceedings of the SIGCHI Conference on Human Factors in Computing Systems, page 41--48. New York, NY, USA, ACM Press/Addison-Wesley Publishing Co., (1998)
D. Abrams, R. Baecker, and M. Chignell. Proceedings of the SIGCHI conference on Human factors in computing systems, page 41-48. New York, NY, USA, ACM Press/Addison-Wesley Publishing Co., (1998)