@article{weko_1637_1, author = "谷口,忠義", title = "近代日本における道路統計の長期推計 : 面積、延長、幅員", journal = "新潟青陵大学短期大学部研究報告", year = "2017", volume = "47", number = "47", pages = "105--118", month = "apr" }