@article{oai:repository.dl.itc.u-tokyo.ac.jp:00032200,
 author = {山田, 守 and 中山, 武},
 journal = {技術研究報告},
 month = {},
 note = {＜短報＞},
 pages = {24--30},
 title = {縦坑を用いた高時間分解能垂直地電位観測},
 volume = {11},
 year = {2005}
}