白 濟民, 澁谷 啓. 神戸市における路面下空洞発生箇所の傾向分析および道路路面性状との相関性の評価-Analyzing the Occurrence of Subsurface Cavities and Evaluating the Correlation with Road Surface Properties in Kobe City. 建設工学研究所論文報告集 = Memoirs of Construction Engineering Research Institute Foundation. 2022. 64. 53-63