1. Vainio, M., Ruotsalainen, L., Banda, O.V., Röning, J., Laitinen, J., Boutellier, J., Koskinen, S., Peussa, P., Shamsuzzoha, A., Toroody, A.B., Kramar, V., Visala, A., Ghabcheloo, R., Huhtala, K., & Alagirisamy, R. (2020). Safety challenges of autonomous mobile systems in dynamic unstructured environments: Situational awareness, decision-making, autonomous navigation, & human-machine interface. RAAS Rethinking Autonomy And Safety Situational Awareness, Autonomous Navigation and Intelligent Control Research Task Force.
2. European Commission. (2019). Commission delegated regulation (EU) 2019/945 of 12 March 2019 on unmanned aircraft systems and on third-country operators of unmanned aircraft systems. European Comission.
3. European Commission. (2019). Commission implementing regulation (EU) 2019/947 of 24 May 2019 on the rules and procedures for the operation of unmanned aircraft. European Commission.
4. Rhee, D. S., Do Kim, Y., Kang, B., & Kim, D. (2017). Applications of unmanned aerial vehicles in fluvial remote sensing: An overview of recent achievements. KSCE Journal of Civil Engineering, 22, 588–602.
5. Linchant, J., Lisein, J., Semeki, J., Lejeune, P., & Vermeulen, C. (2015). Are unmanned aircraft systems (UASs) the future of wildlife monitoring? A review of accomplishments and challenges. Mammal Review, 45, 239–252.