1. Doyle, J.F., “An Experimental Method for Determining the Dynamic Contact Law”,Experimental Mechanics,24 (1),10–16 (March 1984).
2. Doyle, J.F., “Further Developments in Determining the Dynamic Contact Law”,Experimental Mechanics,24 (12),265–270 (Dec. 1984).
3. Graff, K.F., Wave Motion in Elastic Solids, Chap. 4, Ohio State Univ. Press (1975).
4. Timoshenko, S. and Woinowsky-Krieger, S., Theory of Plates and Shells, Chap. 8, McGraw-Hill (1959).
5. Abramowitz, M. and Stegun, I.A., Handbook of Mathematical Functions, Dover (1965).