BIERNACKI, Pawel; GMYREK, Stanislaw; MAGIERA, Wladyslaw. Non-invasive Ultrasound Doppler Effect Based Method of Liquid Flow Velocity Estimation in Pipe. Archives of Acoustics, [S. l.], v. 48, n. 1, p. 141–148, 2023. DOI: 10.24425/aoa.2023.144268. Disponível em: https://acoustics3.ippt.pan.pl/index.php/aa/article/view/3623. Acesso em: 26 apr. 2025.