Tree-ring width of Quercus species from historical object sample 5103B/03A, Netherlands, Groningen
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资源简介：
Species: Quercus species; No of rings: 211; first year: 1345; end year: 1556; Pith: not applicable; Heartwood: complete; Sapwood: complete; Number of sapwood rings: 22; Last ring under bark: present
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Preßler, Erhard创建时间：
1989-01-01
