References
- Alexander , J. 1991 . “ Newcastle disease and other paramyxovirus infections ” . In Diseases of Poultry , 9th Edn , Edited by: Calnek , B. W. , Barnes , H. J. , Reid , W. M. , Yoder , H. W. and J. R. 496 – 519 . London : Wolfe .
- Cottral , G.E. 1978 . Manual of Standardized Methods for Veterinary Microbiology , 731 Ithaca, New York : Cornell University Press .
- Gemach , H. 1986 . “ Viral diseases ” . In Clinical Avian Medicine and Surgery , Edited by: Harrison , G. J. and Harrison , L. R. 408 – 433 . Philadelphia : W. B. Saunders .
- Greth , A. , Gerlach , H. , Andrali , B. and Vassart , M. Pathology of the Houbara bustard in captive breeding scheme in Saudi Arabia . Sixth International Conference in Wildlife Disease . Berlin , Germany. pp. 4 Abstract,
- World Conservation Monitoring Centre . 1992 . IUCN Red List of Threatened Animals , Cambridge : IUCN .
- Kaleta , E.F. and Baldauf , C. 1988 . “ Newcastle disease in free‐living and pet birds ” . In Newcastle Disease , Edited by: Alexander , D. J. 197 – 246 . Boston : Kluwer Academic .
- Kirmse , P. 1967 . Pox in wild birds: annoted bibliography . Journal of Wildlife Diseases , 3 : 14 – 20 .