1. B.M. Creamer, K.H. Frank, R.E. Klingner, Fatigue loading of cantilever sign structures from truck wind gusts, Report No. FHWA/tx-79/10+209-1f, Center for Highway Research, Center for Highway University of Texas Austin, 1979.
2. Wind Engineering: A Handbook for Structural Engineers;Edwards,1991
3. R.S. Dexter, private communication.
4. Methods of Theoretical Physics;Morse,1953
5. Viscous Fluid Flow;White,1974