1. W.B. Bickford, A Consistent Higher Order Beam Theory, Developments in Theoretical and Applied Mechanics, 11, 137 (1982).
2. M. Levinson, A New Rectangular Beam Theory, J. Sound Vib., 74, 81 (1981).
3. H. Reismann and P.S. Pawlik, Elastokinetics, West Publishing Co., St. Paul, (1974).
4. G.R. Cowper, The Shear Coefficient in Timoshenko’s Beam Theory, J. Appl. Mechs., 33, 335 (1966).
5. S.P. Timoshenko and J.N. Goodier, Theory of Elasticity, 3rd ed., McGraw-Hill Book Co. (1970).