Nomura, S. ., T. . Kasaya, Y. . Sakoi, H. . Fukada, and A. . Matsumoto. “Physical Properties of Portland Cement Based Concrete Exposed at a Depth of 3520 M in the Nankai Trough”. Acta Polytechnica CTU Proceedings, vol. 33, Mar. 2022, pp. 411-6, doi:10.14311/APP.2022.33.0411.