1. Q. Wu, K. Takahashi and S. Nakamura: J. Sound Vib., Vol. 279 (2005), pp.1155-1169.
2. M. AL-Qassab and S. Nair: J. Eng. Mech., ASCE, Vol. 129 (2003) No. 3, pp.350-357.
3. H. Zui, T. Shinke and Y Namita: J. Struct. Engrg., ASCE, Vol. 122 (1996) No. 6, pp.651-656.
4. Z.J. Liu and G.P. Chen: J. Vib. Engrg., Vol. 20 (2007), pp.57-60. (in Chinese).
5. H.M. Irvine: Cable Structure (the MIT Press, USA 1981).