1. Melchers R.E. Newcastle Earthquake Study. The Inst. Of Eng., Australia 1990.
2. Australian Standard. Strengthening existing buildings for earthquake. AS 3826, 1998.
3. FEMA. NEHRP guidelines for the seismic rehabilitation of buildings. Report No. FEMA- 273, Federal Emergency Management Agency, Building Seismic Safety Council, Washington, D.C. 1997.
4. Takenaka Corp. Hybrid base isolation system used in super high-rise office building for the first time in the world. News Release, www.takenaka.co.jp, June 2001
5. Cheung M., Foo S. and Granadino J. Seismic retrofit of existing buildings: innovative alternatives. Proceedings of Int. Conf. on the Seismic Performance of Traditional Buildings, Turkey, Nov. 2000.