《隋书·列传·卷十三》
陈国南康内史吕仲肃屯兵岐亭，正好占据了江峡。他在北岸凿穿岩石，连接了三条铁锁链，横断长江上游，用来阻挡战船前进。
陈南康内史吕仲肃屯岐亭，正据江峡，于北岸凿岩，缀铁锁三条，横截上流，以遏战船。
The historian Lü Zhongsu of Nan Kang, Chen, stationed his troops in Qiting, which happened to occupy the gorge. He chiseled through the rocks on the north bank and connected three iron chains, which cut across the upper reaches of the Yangtze River to block the warships from advancing.