@incollection{pucihar2015dual, title={Dual Camera Magic Lens for Handheld AR Sketching}, author={Pucihar, Klen {\v{C}}opi{\v{c}} and Grubert, Jens and Kljun, Matja{\v{z}}}, booktitle={Human-Computer Interaction--INTERACT 2015}, pages={523--527}, year={2015}, publisher={Springer} }