KUBIK, J.; KACZMAREK, M.; PAKUŁA, M. On Observation of Slow Ultrasonic Waves in Cancellous Bones. Engineering Transactions, [S. l.], v. 49, n. 2-3, p. 179–189, 2015. DOI: 10.24423/engtrans.553.2001. Disponível em: https://et.ippt.pan.pl/index.php/et/article/view/553. Acesso em: 9 oct. 2025.