I. Scott MacKenzie & William Buxton (1992)
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems (CHI '92), 219-226.
DOI: https://doi.org/10.1145/142750.142794
Abstract. Generalises the original 1-D Fitts formulation to 2-D pointing on a computer screen, introducing the "smaller-of" and "W-prime" forms of W. Standard reference for any 2-D Fitts evaluation since.
Tags: fitts motor-control pointing