John Howell, Magda Chmielewska, Conor Lewis, Simon Buckley, Nicole Naumann, and Jessica Pugsley. Acquisition of data for building photogrammetric virtual outcrop models for the geosciences using remotely piloted vehicles (rpvs). EarthArXiv, 2021.
Anna Konert and Tadeusz Dunin. A harmonized european drone market?–new eu rules on unmanned aircraft systems. Adv Sci Technol Eng Syst J, 5:93–99, 2020.