1G4-1 How to design elevator door re-opening/closing button which can be easily distinguished 論文 Takaho ITOIGAWA・Chiaki MURATA・Hiroyuki Yaguchi・Haruka Murakami・Takaaki Koga ·2018-06-02 ·『The Japanese Journal of Ergonomics』 54(Supplement) pp. 1G4-1 doi:10.5100/jje.54.1g4-1