1. Yao, J.T.P., “Concept of Structural Conrol” presented at the April 19–23, 1971 ASCE National Structural Enginering Meeting-Baltimore.
2. Roorda, J., “Tendon Control in Tall Structures”, J. Struc. Div. ASCE ST3, March 1975.
3. Howell, W.E. and Creedon, J.F., “A Technique for Designing Active Control Systems for Astronomical Telescope Mirrors”, NASA TN D-7090, 1973.
4. Crawford, F.S., Schweimin, A.J., Smits, R.G., Muller, R.A., and Buffington, A., “Active Image Restoration with a Flexible Mirror”, Berkeley Lawrence Radiation Lab. Report No. CONF-750645-2, June 1975.
5. Bushnell, D., “Control of Surface Configuration by Application of Concentrated Load”, AIAA, Vol. 17, No. 1, January 1979.