Kažys, R., Rekuvienė, R. and Žukauskas, E. 2013. Numerical Investigation of Ultrasonic Wave Propagation in Tapered Waveguides. Elektronika ir Elektrotechnika. 19, 6 (Jun. 2013), 55-58. DOI:https://doi.org/10.5755/j01.eee.19.6.4563.