Garc?a, Y., R. Ponce de Le?n, and G. S. Guzm?n. “Maternal Direct Additive Effects and Heterosis on the Prolificacy Features of Rabbits at Birth”. Cuban Journal of Agricultural Science, vol. 47, no. 4, Dec. 2013, https://cjascience.com/index.php/CJAS/article/view/378.