1. ANSI Z136.1-2014 (2014) American national standard for safe use of lasers”. American National Standards Institute, New York
2. Avisure (2019) Fatalities and destroyed aircraft in aviation https://avisure.com/aboutus/fatalities-and-destroyed-aircraft-due-to-wildlife-strikes-1912-to-present/. Accessed on 30 Jan 2020.
3. Belant JL (2011) Bird harassment, repellent, and deterrent techniques for use on and near airports, vol 23. Transportation Research Board, Washington
4. Bennett ATD, Cuthill IC (1994) Ultraviolet vision in birds: What is its function? Vision Res 34(11):1471–1478
5. Bishop J, McKay H, Parrott D, Allan J (2003) Review of international research literature regarding the effectiveness of auditory bird scaring techniques and potential alternatives. Food and rural affairs, London, pp 1–53