ARTOIS, M., BICOUT, D., DOCTRINAL, D., et al. (2009) Outbreaks of highly pathogenic avian influenza in Europe: the risks associated with wild birds. Revue Scientifique et Technique-Office International des Epizooties. 28, 69-92.
BROSTROM, G., HOLMBERG, H. (2011) glmmML: Generalized linear models with clustering. R package version 0.82-1. http://GRAN.R-project.org/package=glmmML (Accessed July 25, 2013)
DHAMA, K., MAHENDRAN, M., TOMAR, S. (2008) Pathogens transmitted by migratory birds: threat perceptions to poultry health and production. International Journal of Poultry Science. 7, 516-525.
ELLIS, T.M., BOUSFIELD, R.B., BISSETT, L.A. et al. (2004) Investigation of outbreaks of highly pathogenic H5N1 avian influenza in waterfowl and wild birds in Hong Kong in late 2002. Avian Pathology. 33, 492-505.