Tree-ring width of Quercus species from historical object sample 2139B/16A, Netherlands, Groningen
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资源简介：
Species: Quercus species; No of rings: 72; Age not determined; Pith: not applicable; Heartwood: complete; Sapwood: incomplete; Number of sapwood rings: 15; Last ring under bark: absent
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Preßler, Erhard创建时间：
1992-01-01
