Pite, Jenny. "World's Air Forces". Flight International, 24–30 August 1994, Vol. 146, No. 4435. pp. 29–64. . Gunston, Bill. The Encyclopedia of Modern Warplanes: The Development and Specifications of All Active Military Aircraft. New York: MetroBooks, 1995. . "Briefing: Jurom Orao/IAR-93: An underpowered Eagle?". World Air Power Journal, Volume 7, Autumn/Winter 1991. pp. 22–25. . . Fredriksen, John C. International Warbirds: An Illustrated Guide to World Military Aircraft, 1914-2000. ABC-CLIO, 2001. . Gunston, Bill. Encyclopedia of World Air Power. London: Crescent, 1987. . Lambert, Mark (ed.). Jane's All The World's Aircraft 1993-94. Coulsdon, UK: Jane's Data Division, 1993. . External links Serbian Air Force entry at World Air Forces website AIRSERBIA - Serbian Aeronautical Information Network Soko J-22 Orao at Airliners.net Photo at ABG (Avijacija Bez Granica): Orao NJ-22 in flight 1980s 1970s international attack aircraft J-022 Orao 1970s Yugoslav attack aircraft Twinjets Military Technical Institute Belgrade Romania–Serbia relations High-wing aircraft Aircraft first flown in 1974 Romania–Yugoslavia relations