Tree-ring width of Quercus species from historical object sample 6068B/09A, Netherlands, Zutphen
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资源简介：
Species: Quercus species; No of rings: 76; first year: 1709; end year: 1785; Pith: not applicable; Heartwood: complete; Sapwood: complete; Number of sapwood rings: 31; Last ring under bark: present
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Preßler, Erhard创建时间：
2008-01-01
