1. Kirsch, Elastic Mechanics.
2. Hu Chunnong, Xiaokong Shongchifa Ceding Canyu Yingli, 1980.11.
3. Tang Murau, Huang Lanlin, Meng Pansen, Hanjie Duijie Jietou Canliu Yingli de Mangkongfa Ceding, 1980.9.
4. Li Guangduo, Su Jianxin, Liu Bailiang, Wang Weirong, Guanyu Xiaokong Suongchifa Ceding Hanjie Canyu Yingli de Celiang Jingdu de Tantao, J. of DIRT 1981.2.
5. Chen Hueinan, Youguan Zuankongfa Celiang Canyu Yingli de Jisuan Gangshi ji Wucha Fenxi.