Yulun Zhang, Hongfu Qiang, Xueren Wang, Fei Xiao, Zhengnan Ji, Xiangyang Li, Liguo Ma, Yu Cong. “Digital Twin and Its Application in Storage and Maintenance of Solid Rocket Motor”. Forest Chemicals Review, 1, pp. 671-90, http://www.forestchemicalsreview.com/index.php/JFCR/article/view/748.