BERWICK, S. Qingping Straight Sword: The Last Remaining Chinese Sword System?. Revista de Artes Marciales Asiáticas, [S. l.], v. 4, n. 2, p. 54–73, 2012. DOI: 10.18002/rama.v4i2.213. Disponível em: https://revpubli.unileon.es/ojs/index.php/artesmarciales/article/view/213. Acesso em: 5 dec. 2022.