@misc{oai:tohoku.repo.nii.ac.jp:00083754,
 author = {町田, 敏暢},
 month = {},
 note = {application/pdf, 博士学位論文の要旨及び審査結果の要旨 (Summary of Thesis(DR)), 400847 bytes},
 title = {A Study on Concentration Variations of Greenhouse Gases in Ancient Air Using Ice Core Analysis (氷床コア分析による過去の温室効果気体濃度の変遷に関する研究)},
 year = {1993}
}