Tree-ring width of Quercus species from historical object sample 6699B/08A, Germany, Velen
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资源简介：
Species: Quercus species; No of rings: 60; Age not determined; Pith: not applicable; Heartwood: complete; Sapwood: complete; Number of sapwood rings: 10; Last ring under bark: present
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Preßler, Erhard创建时间：
2012-01-01
