Daza, A., A. I. Rey, C. López Carrasco, and C. J. López-Bote. “Effect of Gender on Growth Performance, Carcass Traits and Meat Quality of Calves of Avileña-Negra Ibérica Breed”. Spanish Journal of Agricultural Research, Vol. 10, no. 1, Feb. 2012, pp. 108-15, doi:10.5424/sjar/2012101-547-11.