13.Oesterle, R.G., Fiorato, A.E., Johal, L.S., Carpenter, J.E., Russell, H.G., and
                           Corley, W.G., “Earthquake Resistant Structural Walls – Tests of Isolated Walls”, Report
                           to National Science Foundation, Construction Technology Laboratories, Portland Cement
                           Association, Skokie, IL, 1976, pp. 233.
