Valid, R. (1995). The nonlinear theory of shells through variational principles: From elementary algebra to differential geometry. Chichester New York: Wiley.
Παραπομπή Chicago StyleValid, Roger. The Nonlinear Theory of Shells Through Variational Principles: From Elementary Algebra to Differential Geometry. Chichester New York: Wiley, 1995.
Παραπομπή MLAValid, Roger. The Nonlinear Theory of Shells Through Variational Principles: From Elementary Algebra to Differential Geometry. Chichester New York: Wiley, 1995.
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