Chen, Xuejun, Lei Wang, Zhikui Liu, and Yinghong Qin. “A Preliminary Study on the Long-Term Structural Stability of Ventilation Ducts in Cold Regions”. Civil Engineering Journal 5, no. 6 (June 24, 2019): 1227–1234. Accessed September 21, 2025. https://civilejournal.org/index.php/cej/article/view/1445.