Dipper: A Dynamically Transitioning Aerial-Aquatic Unmanned Vehicle. - Friedrich M. Rockenbauer; Simon L. Jeger; Liberto Beltran; Maximilian Berger; Marvin Harms; Noah Kaufmann; Marc Rauch; Moritz Reinders; Nicholas R. J. Lawrance; Thomas Stastny; Roland Siegwart (Robotics: Science and Systems, 2021)