Baronas, Romas, Feliksas Ivanauskas, Romualdas Maslovskis, and Pranas Vaitkus. “The Classification of Concentration of Mixture of Analytes”. Lietuvos matematikos rinkinys 44, no. spec. (December 17, 2004): 682–686. Accessed May 11, 2024. https://www.journals.vu.lt/LMR/article/view/32225.