RAKOWSKI, Andrzej; ROGOWSKI, Piotr. Absolute Pitch and Its Frequency Range. Archives of Acoustics, [S. l.], v. 36, n. 2, p. 251–266, 2011. Disponível em: http://acoustics.ippt.gov.pl/index.php/aa/article/view/177. Acesso em: 18 apr. 2026.