Brady, A. G. Strong-motion accelerographs: Early history. Earthquake engineering & structural dynamics..
Cita Chicago (17th ed.)Brady, A. Gerald. "Strong-motion Accelerographs: Early History." Earthquake Engineering & Structural Dynamics. .
Cita MLA (9th ed.)Brady, A. Gerald. "Strong-motion Accelerographs: Early History." Earthquake Engineering & Structural Dynamics., .
Atenció: Aquestes cites poden no estar 100% correctes.