Tree-ring width of Pinus sylvestris from historical object sample 6509B/14A, Netherlands, Hoorn
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资源简介：
Species: Pinus sylvestris; No of rings: 68; first year: 1585; end year: 1653; Pith: not applicable; Heartwood: absent; Sapwood: complete; Number of sapwood rings: 68; Last ring under bark: present
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Preßler, Erhard创建时间：
2011-01-01
