Tchórzewski, J., R. Buziak, and P. Suszczyński. “Model and Implementation of Self-Organising Neural Network for Searching Discovery in Databases”. Studia Informatica. System and Information Technology, vol. 5, no. 1, June 2005, pp. 35-47, https://czasopisma.uph.edu.pl/studiainformatica/article/view/2879.