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2. S. Timoshenko, Strength of Materials, Part I: Elementary, Chapter IV: Stresses in Laterally Loaded Symmetrical Beams, 3rd Edition, 1959, p. 92.
3. B.A. Boukamp, Equivalent circuit user’s manual, University of Twente, 1989.
4. Influence of pores on the quality of a silicon polyester coated galvanised steel system
5. Manual Potentiostat EG&G model 273, p. II. 3.