Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) TOTSUKA Seiji and KOBAYASHI Ichiro,An Evaluation of Historical Concrete Arch Bridges Constructed in Kumamoto Prefecture,HISTORICAL STUDIES IN CIVIL ENGINEERING,0916-7293,Japan Society of Civil Engineers,1996,16,,61-76,https://cir.nii.ac.jp/crid/1390001204328206208,https://doi.org/10.2208/journalhs1990.16.61