@article{oai:keiho.repo.nii.ac.jp:00001968,
 author = {沢 , 勲 and 井上, 央 and 河野, 久征 and Sawa, Isao and Inoue, Hisashi and Kohno, Hisayuki},
 issue = {76},
 journal = {大阪経済法科大学論集, The Review of Osaka University of Economics and Law},
 month = {Mar},
 pages = {37--56},
 title = {＜論文＞X-ray Analysis and K-Ar Age Determination on Lava Bridge in Manjang-gul Cave},
 year = {2000},
 yomi = {サワ, イサオ and イノウエ, ヒサシ and コウノ, ヒサユキ}
}