Nagao T. An Experimental Study on the Way Bottom Widening of Pier Foundations Affects Seismic Resistance. Eng. Technol. Appl. Sci. Res. [Internet]. 2020 Jun. 7 [cited 2025 Apr. 6];10(3):5713-8. Available from: https://mail.etasr.com/index.php/ETASR/article/view/3590