KUJAWSKA, Tamara, Wojciech SECOMSKI, Kazimierz KRAWCZYK, and Andrzej NOWICKI. 2013. “Thermal Effects Induced in Liver Tissues by Pulsed Focused Ultrasonic Beams from Annular Array Transducer”. Archives of Acoustics 36 (4): 937–944. https://acoustics3.ippt.pan.pl/index.php/aa/article/view/155.