8Yeong-bin Yang, Tzu-ying Lee. Response of multi-degree-offreedom structures with sliding supports [ J ]. Earthquake Engineering and Structural Dynamics. 1990, Vol. 19: 739 ~752.
9Masashi Iura, Kunihito Matsui. Analytical expressions for three different modes in harmonic motion of sliding structures[ J]. Earthquake Engineering and Structural Dynamics. 1992,Vol .21: 757 ~ 769.