Cite

    関根 康雅 (Yasumasa Sekine) et al.. “自動二輪車乗車用ヘルメットの保護性能についての比較・検討(Comparison of the protective performance of motorcycle helmets: based on experiments of helmet shock absorption and a questionnaire survey of emergency medical centers).” Nihon Kyūkyū Igakkai zasshi =, vol. 26, no. 3, 2015, pp. 73–78. http://access.bl.uk/ark:/81055/vdc_100035886656.0x00002d