1. Kovar J, Mouralova K,Ksica F,Kroupa J, Andrs O,Hadas Z. Virtual reality in context of Industry 4.0 proposed projects at Brno University of Technology. In: 17th International Conference on Mechatronics - Mechatronika (ME), 2016.
2. VIVE Pro | The professional-grade VR headset. (n.d.). Retrieved February 10, 2018, from https://www.vive.com/us/product/vive-pro/
3. Oculus. (n.d.). Retrieved February 10, 2018, from https://www.oculus.com/
4. Avegant Light Field Technology and Video Headset. (n.d.). Retrieved February 10, 2018, from http https://www.avegant.com/
5. PlayStation®VR. (n.d.). Retrieved February 10, 2018, from https://www.playstation.com/el-gr/explore/playstation-vr/