1. 1) Soong, T. T.: Active Structural Control in Civil Engineering, Eng. Struct., 10 (4), p. 74, 1988.
2. 2) Baba, S., Ninomiya, K. and Kajita, T.: Servo-Strengthening System in Large-Scale Suspension Bridge, Proc., 13th Int. Symp. on Modelling and Simulation, Lugano, Italy, p. 341, 1985.
3. 3) Baba, S., Ninomiya, K. and Kajita, T.: Active Control of Bridge Structures based on Modal Analysis, Final Rep, of IABSE Symp., Tokyo, Japan, p. 82, 1986.
4. 4) Baba, S., Ninomiya, K. and Kajita, T.: Active Optimal Control of Steel Frame Structures under Earthquake Motion, Proc., Int. Conf. on Steel Structures, 3, Budva, Yugoslavia, p. 779, 1986.
5. 5) 馬場俊介・二宮公紀・梶田建夫: 鋼構造物のディジタル最適自動制御, 土木学会論文集, No. 380, p. 375, 1987.