1. Weaver, W., Jr., and Nelson, M. F., “Three-Dimensional Analysis of Tier Buildings,” ASCE J. Struc. Div., Vol. 92, No. ST6, 1966, pp. 385–404.
2. Glockner, P. G., “Symmetry in Structural Mechanics,” ASCE J. Struc. Div., Vol. 99, No. STI, 1973, pp. 71–89.
3. Zienkiewicz, O. C., and Scott, F. C., “On the Principle of Repeatability and Its Application in Analysis of Turbine and Pump Impellers,” Int. J. Numer. Meth. Engr., Vol. 4, No. 3, 1972, pp. 445–448.
4. Gere, J. M., and Timoshenko, S. P., Mechanics of Materials, 3rd ed., PWS-Kent, Boston, MA, 1990.
5. Weaver, W., Jr., “Dynamics of Elastically Connected Rigid Bodies,” Devel. Them - . Appl. Mech., Vol. 3, Pergamon, New York, 1967, pp. 543–562.