Yaremiy, I., S. Yaremiy, V. Fedoriv, O. Vlasii, and Luсas A. “Developing and Programming the Algorithm of Refinement of the Crystal Structure of Materials With Possible Isomorphous Substitution”. Eastern-European Journal of Enterprise Technologies, vol. 5, no. 5 (95), Sept. 2018, pp. 61-67, doi:10.15587/1729-4061.2018.142752.