Tree-ring width of Quercus species from historical object sample 6238B/04A, Netherlands, Groningen
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资源简介：
Species: Quercus species; No of rings: 134; first year: 1405; end year: 1539; Pith: not applicable; Heartwood: complete; Sapwood: complete; Number of sapwood rings: 15; Last ring under bark: present
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Preßler, Erhard创建时间：
2009-01-01
