Laurinavičius, A., Ž. Kancleris, T. Anbinderis, O. Martianova, and Y. Prishutov. “Millimeter Wave Technique for Non-Destructive Characterization of Material Homogeneity”. Elektronika Ir Elektrotechnika, vol. 71, no. 7, Aug. 2006, pp. 59-62, https://eejournal.ktu.lt/index.php/elt/article/view/10774.