@article{oai:nipr.repo.nii.ac.jp:00006618,
 author = {OHTAKA, Kazuhiro and KUNITAKE, Manabu},
 journal = {JARE data reports. Ionosphere, JARE data reports. Ionosphere},
 month = {Mar},
 note = {P(論文)},
 pages = {1--204},
 title = {RIOMETER RECORDS OF 30MHz COSMIC NOISE AT SYOWA STATION, ANTARCTICA IN 1990},
 volume = {47},
 year = {1992}
}