"Review of the Current State of UAV Regulations", Claudia Stöcker & alt., Remote Sens. 2017, 9, 459; doi:10.3390/rs9050459,
"UAVs—unmanned aerial vehicles—facilitate data acquisition at temporal and spatial scales that still remain unachievable for traditional remote sensing platforms. However, current legal frameworks that regulate UAVs present significant barriers to research and development. To highlight the importance, impact, and diversity of UAV regulations, this paper provides an exploratory investigation of UAV regulations on the global scale....http://www.mdpi.com/2072-4292/9/5/459/pdf"