Dučinskas, Kęstutis, Edita Lesauskienė, and Jūratė Šaltytė. “Universal Kriging”. Lietuvos matematikos rinkinys 40, no. spec. (December 18, 2000): 277–280. Accessed July 17, 2024. https://www.journals.vu.lt/LMR/article/view/35154.