@inproceedings{RitterBerendtFischeretal.2002,
  author    = {Ritter, Felix and Berendt, Bettina and Fischer, Berit and Richter, Robert and Preim, Bernhard},
  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},
  booktitle = {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}
}