Tree-ring width of Quercus species from historical object sample 5777B/04A, Netherlands, Zutphen@en
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Species: Quercus species; No of rings: 54; first year: 1727; end year: 1781; Pith: not applicable; Heartwood: complete; Sapwood: incomplete; Number of sapwood rings: 20; Last ring under bark: absent
创建时间：
2026-04-20
