GRYNKIEWICZ-BYLINA, Beata; RAKWIC, Bożena. Measurements and assessment of sound emitted by toys intended for children below 3 years old. Archives of Acoustics, [S. l.], v. 40, n. 3, p. 383–393, 2015. DOI: 10.1515/aoa-2015-0040. Disponível em: https://acoustics3.ippt.pan.pl/index.php/aa/article/view/1548. Acesso em: 26 apr. 2025.