@conference{3DO/2018, author = "Gonz{\'a}lez Toledo, Daniel and Cuevas-Rodr{\'i}guez, Mar{\'i}a and Molina-Tanco, Luis and Reyes-Lecuona, Arcadio", booktitle = "EuroVR 2018", keywords = "Virtual Trackball, Two Axis Valuator, 3D rotation, 3D interaction ", title = "3{D} {O}bject {R}otation {U}sing {V}irtual {T}rack{B}all with {F}ixed {R}eference {A}xis", url = "http://eurovr2018.org/Pages/Posters", year = "2018", }