APA-viite (7. p.)

Bernal, D. A Dynamic stiffness formulation for the analysis of secondary systems. Earthquake engineering & structural dynamics.

Chicago-viite (17. p.)

Bernal, Dionisio. "A Dynamic Stiffness Formulation for the Analysis of Secondary Systems." Earthquake Engineering & Structural Dynamics .

MLA-viite (9. p.)

Bernal, Dionisio. "A Dynamic Stiffness Formulation for the Analysis of Secondary Systems." Earthquake Engineering & Structural Dynamics, .

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