Daniel Mendes, Daniel Medeiros, Eduardo Cordeiro, Maurício Sousa, Alfredo Ferreira, Joaquim A. Jorge. PRECIOUS! Out-of-reach selection using iterative refinement in VR. In Maud Marchal, Robert J. Teather, Bruce H. Thomas, editors, 2017 IEEE Symposium on 3D User Interfaces, 3DUI 2017, Los Angeles, CA, USA, March 18-19, 2017. pages 237-238, IEEE Computer Society, 2017. [doi]