@techreport{tech200432,
  title = {The IBar: A Perspective-based Camera Widget},
  author = {Cindy Grimm and Karan Singh and Nisha Sudarsanam},
  number = {2004-32},
  institution = {Washington University in St. Louis},
  school = {Department of Computer Science and Engineering},
  note = {The overview of this can be found in the UIST paper, the implementation details in the Journal of Graphics Tools version. Source code and more implementation details.},
  month = {June},
  year = {2004}
}