Tree-ring width of Quercus species from historical object sample 5817B/12A, Netherlands, Zutphen@en
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资源简介：
Species: Quercus species; No of rings: 60; first year: 1257; end year: 1317; Pith: not applicable; Heartwood: absent; Sapwood: absent; Number of sapwood rings: 0; Last ring under bark: absent
创建时间：
2026-04-20
