@article{oai:nipr.repo.nii.ac.jp:00006511, author = {OSE, Masami and IGARASHI, Kiyoshi and TSUZURAHARA, Shigehiko}, journal = {JARE data reports. Ionosphere, JARE data reports. Ionosphere}, month = {Nov}, note = {P(論文)}, pages = {1--86}, title = {RIOMETER RECORDS OF 30 MHz COSMIC NOISE AT SYOWA STATION, ANTARCTICA IN 1978}, volume = {20}, year = {1979} }