Human use of marine shells from Late Pleistocene layers of Sakitari-do cave site, Nanjo city, Okinawa prefecture 論文 Shinji Yamasaki・Masaki Fujita・Chiaki Katagiri・Taiji Kurozumi・Yousuke Kaifu ·2014-01-01 ·『Anthropological Science (Japanese Series)』 122(1) pp. 9-27 doi:10.1537/asj.140125