Risk of African swine fever introduction into the European Union through illegal importation of pork and products - Costard, Solenne; Jones, B.A.; Martínez Lopez, B.; Mur, L.; Torre, A. de la; Martínez, M.; Sánchez Vizcaino, F.; Sánchez Vizcaino, J.M.; Pfeiffer, Dirk U.; Wieland, Barbara (2012)