Tree-ring width of Pinus sylvestris from historical object sample 6019B/04A, Netherlands, Groningen
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资源简介：
Species: Pinus sylvestris; No of rings: 156; first year: 1471; end year: 1627; Pith: not applicable; Heartwood: complete; Sapwood: complete; Number of sapwood rings: 59; Last ring under bark: present
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Preßler, Erhard创建时间：
2007-01-01
