Wentao Hu, Shuhan Liu, Kang Zhao, Yingjun Wang, Qianru Dai, Chaoping Hou. “Optimization Experiment of PCM on Thermal Environment Inside Safety Helmet”. Design Engineering (November 30, 2020): 205 - 220. Accessed May 7, 2024. http://www.thedesignengineering.com/index.php/DE/article/view/903.