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) SAWAGUCHI Isao and NEMOTO Yuhei and TATSUKAWA Shiro,Effects of moisture in wood materials on the SNR of GPS signals,Journal of forest research,13416979,,2009-04-01,14,2,63-72,https://cir.nii.ac.jp/crid/1573105974851129856,