Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) KAJI Misaho and HIGUCHI Teruhisa and BABA Shunsuke,Introduction and Development of Two Types of Caisson Technology in Modernized Era in Japan,Journal of Historical Studies in Civil Engineering,1349-5712,Japan Society of Civil Engineers,2006,25,0,49-61,https://cir.nii.ac.jp/crid/1390282680210415104,https://doi.org/10.11532/journalhs2004.25.49