APA

VALID R., . (1995). The nonlinear theory of shells through variational principles. Chichester [et al.]: John Wiley.

Chicago

VALID Roger, . 1995. The nonlinear theory of shells through variational principles. Chichester [et al.]: John Wiley.

Harvard

VALID R., . (1995). The nonlinear theory of shells through variational principles. Chichester [et al.]: John Wiley.

MLA

VALID Roger, . The nonlinear theory of shells through variational principles. Chichester [et al.]: John Wiley. 1995.