Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Isobe Koichi and Kimura Makoto and Harata Noriyoshi and Makino Takeshi,Lateral bearing capacity of caisson reinforced by Steel Pipe Sheet Piles : Rigidity ratios between caisson and SPSP,Proceedings of the Japan National Conference on Geotechnical Engineering,,The Japanese Geotechnical Society,2004,JGS39,0,1439-1440,https://cir.nii.ac.jp/crid/1390282680576064512,https://doi.org/10.11512/jiban.jgs39.0.1439.0