1. European Drones Outlook Study. Unlocking the Value for Europe,2016
2. Flying a Drone: How Easy Is It to Fly One Safely?http://www.bbc.com/news/uk-england-nottinghamshire-37318584
3. Manual on Remotely Piloted Aircraft Systems (RPAS)//Manual on Remotely Piloted Aircraft Systems (RPAS),2015
4. Opinion No 01/2018. Introduction of a Regulatory Framework for the Operation of Unmanned Aircraft Systems in the ‘Open’ and ‘Specific’ Categories,2018
5. Riga Declaration on Remotely Piloted Aircraft (Drones). “Framing the Future of Aviation”,2015