APA (7th ed.) Citation

Riddell, R. Inelastic response spectrum: Early history. Earthquake engineering & structural dynamics..

Chicago Style (17th ed.) Citation

Riddell, Rafael. "Inelastic Response Spectrum: Early History." Earthquake Engineering & Structural Dynamics. .

MLA (9th ed.) Citation

Riddell, Rafael. "Inelastic Response Spectrum: Early History." Earthquake Engineering & Structural Dynamics., .

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