@misc{97,
  author = {Sheelagh Carpendale and Mark Hancock and Thomas Cate and Tobias Isenberg},
  title = {Method for manipulating a graphic widget in a three-dimensional environment displayed on a touch panel of an interactive input system},
  year = {2013},
  edition = {Three-dimensional widget manipulation on a multi-touch panel},
  chapter = {PCT/CA2009/001734},
  number = {12/629,339},
  publisher = {Smart Technologies ULC},
  address = {United States},
}