@inproceedings{mcguffin2002a,
  author = {Michael McGuffin and Ravin Balakrishnan},
  title = {Acquisition of Expanding Targets},
  booktitle = {Proceedings of ACM
        Conference on Human Factors in Computing Systems (CHI) 2002},
  year = 2002,
  month = "April",
  pages = {57--64},
  publisher = {ACM Press},
  location  = "Minneapolis, Minnesota"
}