Romanuke, V. “WEAR STATE DISCONTINUOUS TRACKING MODEL AS TWO-LAYER PERCEPTRON WITH NONLINEAR TRANSFER FUNCTIONS BEING TRAINED ON AN EXTENDED GENERAL TOTALITY REGARDING STATISTICAL DATA INACCURACIES AND SHIFTS”. Problems of Tribology, Vol. 73, no. 3, June 2015, pp. 50-53, http://tribology.khnu.km.ua/index.php/ProbTrib/article/view/391.