OPIELIŃSKI, Krzysztof J.; GUDRA, Tadeusz; PRUCHNICKI, Piotr. Narrow beam ultrasonic transducer matrix model for projection imaging of biological media. Archives of Acoustics, [S. l.], v. 35, n. 1, p. 91–109, 2013. Disponível em: https://acoustics3.ippt.pan.pl/index.php/aa/article/view/259. Acesso em: 26 apr. 2025.