M. KISS, Rita. Verification of determining the spatial position of the lower extremity by ultrasound-based motion analyser. Periodica Polytechnica Civil Engineering, [S. l.], v. 51, n. 1, p. 39–43, 2007. 10.3311/pp.ci.2007-1.06. Disponível em: https://pp.bme.hu/ci/article/view/541. Acesso em: 19 may. 2024.