@article{Kin:2009:DBD,
  title = {Determining the Benefits of Direct-Touch, Bimanual, and Multifinger Input on a Multitouch Workstation},
  journal = {Graphics Interface 2009},
  author = {Kenrick Kin and Maneesh Agrawala and Tony DeRose},
  month = may,
  year = 2009,
  pages = {119-124},
  url = {http://graphics.berkeley.edu/papers/Kin-DBD-2009-05/},
}