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2. Basu P. K. and Gould P. L. “SHORE‐III‐Shell of Revolution Finite‐Element Analysis—Program Users' Manual ” Research Report No. 49 Structural Division Washington University St. Louis 1977.
3. Finite element discretization of open-type axisymmetric elements
4. Billington D. P. Thin Shell Concrete Structures McGraw Hill 2nd ed. Chapter 2 1982.
5. Cole P. P. Abel J. F. and Billington D. P. “Maximum Seismic Response of Cooling Towers ” Report 73‐SM‐1 Princeton University Princeton N.J. 1973.