Miranda, M. L., U. F. Julio, M. Calmet, and E. Franchini. “Kata Practice and Concepts According to Highly Experienced Judo Teachers and Referees”. Revista De Artes Marciales Asiáticas, vol. 5, no. 2, July 2012, pp. 97-110, doi:10.18002/rama.v5i2.113.