Shinya Inazumi, Kozo Okita, Takumi Kondo and Kenji Kazarashi (2011) “In-Situ Ground Surveying by the NSWS Testing Machine ”, GEOMATE Journal, 1(1), pp. 1–9. Available at: https://geomatejournal.com/geomate/article/view/1188 (Accessed: 27 April 2024).