@article{oai:u-ryukyu.repo.nii.ac.jp:02003563,
 author = {Kawana, Toshio and 河名, 俊男},
 issue = {25},
 journal = {琉球大学教育学部紀要 第一部},
 month = {Dec},
 note = {紀要論文},
 pages = {245--249},
 title = {Radiocarbon Ages of the Beach Rocks on Okinawa, Miyako and Ishigaki Islands, the Ryukyus, Japan},
 year = {1981}
}