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Radiocarbon Conf.\nsingle tree\tyes\nsite\tMiyadamura village, Nagano, Japan\ntype\tbogwood\npreservation\tyes\nshape\tslice\nspecies\tChamaecyparis obtusa\nrings\t324\nstored\tNational Museum of Japanese History\n\t\nring width\tDr. Masataka Hakozaki, National Museum of Japanese History\ndendrochronology\tDr. Takumi Mitsutani, Nara National Institute for Cultural Properties \nn=\t323\ntBP=\t8.9\nmaster\tKiso district, central Japan\n\t\ncellulose extraction\tProf. Takeshi Nakatsuka, Research Institute for Humanity and Nature\ndelta-18O\tProf. Takeshi Nakatsuka, Research Institute for Humanity and Nature\nn=\t309\nt=\t22.69\nmaster\tcentral Japan","data":[],"refs":[]}],"refs":["ref:okuno2018css"]}}],"bibliography":[{"ref":"okuno2018css","firstauthor":"Okuno","year":2018,"reftype":"inproceedings","author":"Okuno, M and Hakozaki, M and Miyake, F and Kimura, K and Masuda, K and Sakamoto,M and Hong, W and Yatsuzuka, S and Nakamura, T","title":"Chronological significance of 14C spike and precise age determination of the B-Tm Tephra, China\/ North Korea","journal":"","volume":"","number":"","pagefrom":0,"pageto":0,"series":"","publisher":"","address":"Trondheim","booktitle":"23rd International Radiocarbon Conference, Abstracts","chapter":null,"edition":null,"organization":"","school":"","institution":"","url":"https:\/\/www.ntnu.edu\/documents\/1277442864\/0\/Radiocarbon_Abstractbook2\/84b46c8b-661e-4528-ac83-5dd01741e1d6","doi":"","isbn":"","citation":"Okuno et al., 2018","reference":"Okuno, M., Hakozaki, M., Miyake, F., Kimura, K., Masuda, K., Sakamoto, M., Hong, W., Yatsuzuka, S. and Nakamura, T. (2018) Chronological significance of 14C spike and precise age determination of the B-Tm Tephra, China\/ North Korea. In 23rd International Radiocarbon Conference, Abstracts. Trondheim, p.52."}],"compilation":{"by":"IntCal group","url":"https:\/\/intchron.org\/archive\/IntCal\/IntCal20\/index.json","updated":null,"retrieved":"2025-08-02T14:40:22+01:00"},"schema":"https:\/\/intchron.org\/schema"}