OPIELIŃSKI KJ, GUDRA T, PRUCHNICKI P. Narrow beam ultrasonic transducer matrix model for projection imaging of biological media. Arch. Acoust. [Internet]. 2010 Mar. 31 [cited 2026 Apr. 18];35(1):91-109. Available from: http://acoustics.ippt.gov.pl/index.php/aa/article/view/259