@techreport{oai:kumadai.repo.nii.ac.jp:00028374,
 author = {Takaki, Kyoji and Akutagawa, Hiroshi and 髙木, 恭二 and 芥川, 博士},
 month = {Mar},
 note = {application/pdf, 研究報告書},
 title = {古墳時代における天草砂岩の利用},
 year = {2014}
}