RICHTER, K. P.; LANGE, P.; MILLNER, R.; HEYNEMANN, H.; RICHTER, M. I.; PRESSLER, H.; DRESCHER, Th.; LETTERER, H. Measurement system for medical ultrasonic pulse spectroscopy. Archives of Acoustics, [S. l.], v. 9, n. 1-2, p. 137–142, 2015. Disponível em: https://acoustics3.ippt.pan.pl/index.php/aa/article/view/3206. Acesso em: 25 apr. 2025.