P. Mulholland, T. Collins, and Z. Zdrahal. HYPERTEXT '05: Proceedings of the sixteenth ACM conference on Hypertext and hypermedia, page 23--31. New York, NY, USA, ACM Press, (2005)
P. Mulholland, T. Collins, and Z. Zdrahal. HYPERTEXT '05: Proceedings of the sixteenth ACM conference on Hypertext and hypermedia, page 23--31. New York, NY, USA, ACM Press, (2005)