@techreport{tech200628,
  title = {Smooth Key-framing using the Image Plane},
  author = {Leon Barrett and Cindy Grimm},
  number = {2006-28},
  institution = {Washington University in St. Louis},
  school = {Department of Computer Science and Engineering},
  note = {Published in Graphite, 2005},
  month = {May},
  year = {2006}
}