1. Dolbeer R, Wright SE, Weller JR, Anderson AL, Beiger MJ, Wildlife strikes to civil aircraft in the united states, 1990–2014, Bird Strikes.
2. The economic impact of unmanned aircraft systems integration in the United States;Jenkins,2013
3. Unmanned aerial system collision avoidance using artificial potential fields;Ruchti;J Aerosp Inf Syst,2014
4. Unmanned aerial system collision avoidance using artificial potential fields;Ruchti;J Aerosp Inf Syst,2014
5. Unmanned aerial collision avoidance system (UCAS);Asmat,2007