. [. Duval-t and . Lécuyer-a, 3-hand manipulation of virtual objects, Proceedings of the Joint Virtual Reality Conference, pp.153-156, 2009.

B. D. Hodges-l, An evaluation of techniques for grabbing and manipulating remote objects in immersive virtual environments, Proceedings of the Symposium on Interactive 3D graphics, pp.3-1997, 1997.

[. D. and F. B. Hanrahan-p, Twohanded direct manipulation on the responsive workbench, Proceedings of the Symposium on Interactive 3D Graphics, pp.107-114, 1997.

P. [. Proffitt-d and . F. Kassell-n, Two-handed virtual manipulation, ToCHI, vol.5, issue.3 1, pp.260-302, 1998.

N. T. Duval-t, 3-point++: a new technique for 3d manipulation of virtual objects, Proceedings of the IEEE Symposium on 3D User Interfaces, pp.165-166, 2013.

[. T. Nguyen-t and . Duval-t, A new direct manipulation technique for immersive 3d virtual environments, Proceedings of the ICAT-EGVE ICAT-EVGE 2014, 2014.