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2. Transactions of the ASME [Series E]. Journal of Applied Mechanics, March 1964. Published by the American Society of Mechanical Engineers.
3. S. Timoshenko andS. Woinowsky-Krieger,Theory of Plates and Shells, 2nd Edition (McGraw-Hill Book Company, Inc., 1959).
4. Churchill,Operational Mathematics, Second Edition (McGraw-Hill Book Company, Inc., (1958).