Wielgat, R., R. Jędryka, A. Lorenc, Łukasz Mik, and D. Król. “Conceptual Design of a Database to Store Recordings from Articulographic Studies of Polish Speech”. Science, Technology and Innovation, vol. 1, no. 1, Dec. 2017, pp. 64-72, doi:10.5604/01.3001.0010.7558.