Raţă, E., and L. D. Milici. “Analysis Methods for Computerized Forecasting in the Athletes’ Sportive Performances for Term of the Competitional Period”. Elektronika Ir Elektrotechnika, vol. 95, no. 7, Aug. 2009, pp. 99-102, https://eejournal.ktu.lt/index.php/elt/article/view/10056.