@inproceedings{RitterBerendtFischeretal.2002,
  author    = {Felix Ritter and Bettina Berendt and Berit Fischer and Robert Richter and Bernhard Preim},
  title     = {Virtual 3D Jigsaw Puzzle: Studying the Effect of Exploring Spatial Relations with Implicit Guidance},
  series = {Mensch und Computer 2002: Vom interaktiven Werkzeug zu kooperativen Arbeits- und Lernwelten},
  publisher = {B. G. Teubner},
  address   = {Stuttgart},
  isbn      = {978-3-322-89884-5},
  pages     = {363 -- 372},
  year      = {2002},
  language  = {en}
}