Li, Yan Department Artifacts Action and Knowledge, Max Planck Institute for the History of Science, Max Planck Society;
(No access)
Li, Y., Zhang, Y., & Li, Z. (2018). 明长城防御体系与军事聚落研究 [A Study of the Defense System and Military Settlements of the Ming Great Wall]. Jian zhu xue bao: yue kan 建筑学报 [Architectural Journal], 05, 69-75.