@techreport{oai:kumadai.repo.nii.ac.jp:00022363,
 author = {Kinoshita, Naoko and 木下, 尚子},
 month = {Mar},
 note = {application/pdf, 研究報告書, This archaeological research addresses the formation of the Ryukyu kingdom which was established in 1429 and has a unique history as an independent nation. I examine how the exchange of shells and the cultivation of cereals -which were necessary measures for the establishment of the Ryukyu kingdom -originated and developed during the Neolithic Age.},
 title = {遺跡の概要と6～7世紀の琉球列島},
 year = {2003}
}