Varelas, T., Pentefoundas, A., Georgiadis, C. and Kehagias, D. 2020. AN AR INDOOR POSITIONING SYSTEM BASED ON ANCHORS . MATTER: International Journal of Science and Technology. 6, 3 (Dec. 2020), 43–57. DOI:https://doi.org/10.20319/mijst.2020.63.4357.