Maneuvering Support System for an Amphibian Vehicle - Warning Display to Prevent Rough Maneuvers -. - Ryota Hayashi; Genki Matsuyama; Hisanori Amano; Hitomu Saiki; Tetsuya Kinugasa; Koji Yoshida; Masatsugu Iribe; Kenichi Tokuda (J. Robotics Mechatronics, 2017)