Waveguide analysis for ultrasonic medical instruments (comparison of different methods). - Gross, H.-G.; Khaled, H.; Abbasian Najafabadi, T.; Nguyen, D.A.; Kudish, I.; Sevostyanov, I.B.; Cen, Y.G.; Egiazarian, K.; Mladenovic, V.; Karapetyan, G.; Minkin, M.; Grigoryev, Yuri V.; et al. (MATEC Web of Conferences, 2018)