Shota Yoshida, Xi Xiong, Tatsunori Matsumoto, and Mimu Yoshida. 2021. “FIELD PULL-OUT EXPERIMENTS OF FLIP-TYPE GROUND ANCHORS DRIVEN IN GROUND OF CLAY AND SAND LAYERS”. GEOMATE Journal 20 (78):93-100. https://geomatejournal.com/geomate/article/view/181.