Shinya Inazumi, Tsutomu Namikawa, Shuichi Kuwahara, and Shin-ichi Hamaguchi. “INFLUENCE OF PULLING OUT EXISTING PILES ON THE SURROUNDING GROUND”. GEOMATE Journal 13, no. 35 (November 24, 2016): 16–21. Accessed June 27, 2022. https://geomatejournal.com/geomate/article/view/1261.