@article{oai:repository.dl.itc.u-tokyo.ac.jp:00033775,
 author = {相田, 勇},
 issue = {3},
 journal = {東京大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, University of Tokyo},
 month = {Nov},
 note = {application/pdf},
 pages = {545--560},
 title = {長周期波記録計の製作},
 volume = {40},
 year = {1962}
}