Barley (Hordeum vulgare) in the Okhotsk culture (5th–10th century AD) of northern Japan and the role of cultivated plants in hunter–gatherer economies 論文 Christian Leipe・Elena A. Sergusheva・Stefanie Müller・Robert N. Spengler・Tomasz Goślar・Hirofumi Kato・Mayke Wagner・Andrzej Weber・Pavel E. Tarasov ·2017-03-29 ·『PLoS ONE』 12(3) pp. e0174397-e0174397 doi:10.1371/journal.pone.0174397