@article{oai:repository.dl.itc.u-tokyo.ac.jp:00023137,
 author = {平尾, 邦雄 and 電離層直接観測グループ},
 issue = {10},
 journal = {生産研究},
 month = {Oct},
 note = {application/pdf},
 pages = {404--410},
 title = {カッパ8型用電離層測定器(カッパ8・9型)},
 volume = {13},
 year = {1961}
}