ZIFBA, Janusz; FRYDRYSIAK, Michal. Textronic sensors of respiratory rhythm frequency. Tekstil, "Zagreb, Croatia", v. 59, n. 12, p. 556–559, 2010. Disponível em: https://tekstil.hist.hr/index.php/tekstil/article/view/3856. Acesso em: 21 apr. 2026.