Xinyong Zhang, Hongbin Zha, Wenxin Feng. Extending Fitts' law to account for the effects of movement direction on 2d pointing. In Joseph A. Konstan, Ed H. Chi, Kristina Höök, editors, CHI Conference on Human Factors in Computing Systems, CHI '12, Austin, TX, USA - May 05 - 10, 2012. pages 3185-3194, ACM, 2012. [doi]
Abstract is missing.