1. Alexander, D.J., 1998. Newcastle disease and other avian paramyxoviruses. In: D.E., Swayne, J.R., Glison, M.W. Jackwood, J.E., Pearson, W. M. Reed (eds), A laboratory manual for the isolation and identification of avian pathogens, 4th edn. American Association of Avian Pathologists, Pennsylvania, pp. 156–163.
2. Alexander, D.J. and Parsons, G., 1984. Avian paramyxovirus type 1 infections of racing pigeon: 2. Pathogenicity experiments in pigeons and chickens. Veterinary Record, 114, 466–468.
3. Alexander, D.J. and Parsons, G., 1986. Pathogenicity for chickens of avian paramyxovirus type 1 isolates obtained from pigeon in Great Britain during 1983–85. Avian Pathology, 15, 487–493.
4. Alexander, D.J. and Senne, D.A., 2008. Newcastle disease, other avian paramyxoviruses, and pneumovirus infections. In: Saif, Y.M., A.M. Fadly, J.R. Glisson, L.R. McDougald, L.K. Nolan, D. E. Swayne (eds), Disease of poultry, 12th edn. Blackwell, Ames, pp. 75–115.
5. Alexander, D.J., G. Parsons, and R. Marshall, 1984a: Infection of fowls with Newcastle disease virus by food contaminated with pigeon feces. Vet Rec. 115:601–602.