V. V. Mitić, Z. S. Nikolić, I. Mitrović, B. Jordović, and V. Brankov, “THE APPLICATION OF STEREOLOGY METHOD FOR ESTIMATING THE NUMBER OF 3D BaTiO3 – CERAMIC GRAINS CONTACT SURFACES”, Image Anal Stereol, vol. 20, no. 3, pp. 231–237, May 2011, doi: 10.5566/ias.v20.p231-237.