@conference{lu2011position,
  title = {Human-Robot Interactions as Theatre},
  author = {Lu, David V. and Smart, William D.},
  booktitle = {RO-MAN 2011},
  year = {2011},
  isbn = {978-1-4577-1572-3},
  location = {Atlanta, Georgia},
  pages = {473--478},
  organization = {IEEE}
}