Yin Xiang-chu, Yin Can.The precursor of instability for nonlinear systems and its application to the earthquake predication[J].Science in China (B), 1991,38:977-986.
[3]
Yin Xiang-chu, Chen Xue-zhong, Song Zhi-ping, Yin Can.The load-unload response ratio theory: a new approach to earthquake prediction[J].Chinese Journal of Geophysics(English), 1994,37(6):765-775.