Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) TAWARA Makoto and NONAMI Kenzo,Airframe Design of Multi-Rotor Type Helicopters and Development of the Hexa-Rotor Type Helicopter,Proceedings of the Japan Joint Automatic Control Conference,,The Japan Joint Automatic Control Conference,2011,54,0,223-223,https://cir.nii.ac.jp/crid/1390001205645688320,https://doi.org/10.11511/jacc.54.0.223.0