Innovative Approach for 3D Presentation of Plane Culturally-Historical Objects by Tactile Plates for Disadvantaged Users (low- sighted or visually impaired)Dimitar Karastoyanov, Nikolay Stoimenov and Stanislav GyoshevMATEC Web Conf., 292 (2019) 03004DOI: https://doi.org/10.1051/matecconf/201929203004