C. Vieira, M. García-Cachán, M. Recio, M. Domínguez, and C. Sañudo Astiz, “Effect of ageing time on beef quality of rustic type and rustic x Charolais crossbreed cattle slaughtered at the same finishing grade”, Span. j. agric. res., vol. 4, no. 3, pp. 225-234, Sep. 2006.