Furukawa, Aiko, Satoshi Yamada, and Ryosuke Kobayashi. 2022. “TENSION ESTIMATION METHODS FOR NIELSEN-LOHSE BRIDGES USING OUT-OF-PLANE AND IN-PLANE NATURAL FREQUENCIES”. GEOMATE Journal 23 (97):1-11. https://geomatejournal.com/geomate/article/view/3235.