著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Roland T. Tsunoda and Warner L. Ecklund,On a summer maximum in the occurrence frequency of 150 km (F1) radar echoes over Pohnpei,Geophysical Research Letters,0094-8276,American Geophysical Union (AGU),2004-03,31,6,810,https://cir.nii.ac.jp/crid/1363670318295589248,https://doi.org/10.1029/2003gl018704