@article{oai:repository.dl.itc.u-tokyo.ac.jp:00024208, author = {高橋, 幸伯}, issue = {6}, journal = {生産研究}, month = {Jun}, note = {application/pdf}, pages = {161--161}, title = {研究速報 : 北斗丸に使用した水位計}, volume = {6}, year = {1954} }