MOENNIG, V., FLOEGEL-NIESMANN, G., GREISER-WILKE, I. (2003). Clinical signs and epidemiology of classical swine fever: a review of new knowledge. vet. j. 165: 11–20. Recuperado de: https://www.sciencedirect.com/science/article/abs/pii/s1090023302001120. Recuperado el: 06-09-2020