@misc{oai:repository.dl.itc.u-tokyo.ac.jp:00010493, author = {三谷, 要}, month = {}, note = {種別:卒業論文}, title = {Appropriate Method of Strengthening the Half Beams and Deck Girder of a Cargo Deck in way of Hatches in regards to Present Method of Construction}, year = {1929} }