P. C. Martins, J. V. B. Galdeano, K. M. Leão, A. A. Mesquita, F. R. Silva, and M. A. P. da Silva, “Effect of the ambient temperature on the viability of the semen of boars”, Pubvet, vol. 5, no. 20, Sep. 2015, doi: 10.22256/pubvet.v5n20.1127.