Reaction Time to Vibrotactile Messages on Different Types of Soil Topics: Fundamental of Haptic Interactions; Haptic Feedback and Control; Haptics Simulation and Rendering; Model for Haptic Interactions; Multimodal Systems and Application In Proceedings of the 13th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications - Volume 3 IVAPP: VISIGRAPP, 155-161, 2018 , Funchal, Madeira, Portugal