@article{oai:nied-repo.bosai.go.jp:00002306, author = {岩田 憲幸 and 稲田 亘}, issue = {1}, journal = {防災科学技術総合研究速報}, month = {Mar}, pages = {33--37}, title = {超音波波高計(空中型)について}, year = {1966} }