1. F.C. Kraneveld, Ned Indisch Bl Diergeneeskd 38, 448–450 (1926)
2. T.M. Doyle, J. Comp. Path. Therap. 40, 144–169 (1927)
3. D.J. Alexander, in Diseases of poultry, 11th edn., ed. by Y.M. Saif, J.BarnesH, J.R. Glisson, A.M. Fadly, L.R. McDougal, D.E. Swayne (Iowa State Press, Ames, 2003), pp. 64–874
4. OIE, in Newcastle Disease. ed. by M. Truszczynski et al. International Animal Health Code—Mammals, Birds and Bees, 6th edn. in Epizooties (OIE, Paris, 1992), pp. 157–165
5. M.A. Mayo, Arch. Virol. 147, 1071–1076 (2002)