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) J. Bremer and P. Hoffmann and J. Höffner and R. Latteck and W. Singer and M. Zecha and O. Zeller,Long-term changes of mesospheric summer echoes at polar and middle latitudes,Journal of Atmospheric and Solar-Terrestrial Physics,1364-6826,Elsevier BV,2006-12,68,17,1940-1951,https://cir.nii.ac.jp/crid/1361981469877696256,https://doi.org/10.1016/j.jastp.2006.02.012