Fukushima, Y., and T. Nagao. “Variation of Earthquake Ground Motions With Focus on Site Amplification Factors: A Case Study”. Engineering, Technology & Applied Science Research 9, no. 4 (August 10, 2019): 4355–4360. Accessed August 16, 2022. https://www.etasr.com/index.php/ETASR/article/view/2856.