Aleksandrovas, A., Rodriguez, A., Svilainis, L., Angel de la Casa, M. and Salazar, A. (2016) “Ultrasound-Based Density Estimation of Composites Using Water-Air Interface”, Elektronika ir Elektrotechnika, 22(6), pp. 28 - 32. doi: 10.5755/j01.eie.22.6.17219.