Tree-ring width of Quercus species from historical object sample 6000B/01A, Netherlands, Groningen
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资源简介：
Species: Quercus species; No of rings: 47; Age not determined; Pith: not applicable; Heartwood: complete; Sapwood: incomplete; Number of sapwood rings: 4; Last ring under bark: absent
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Preßler, Erhard创建时间：
2007-01-01
