Tree-ring width of Picea abies from historical object sample 6058B/04A, Netherlands, Groningen
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资源简介：
Species: Picea abies; No of rings: 52; Age not determined; Pith: not applicable; Heartwood: absent; Sapwood: absent; Number of sapwood rings: 0; Last ring under bark: absent
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Preßler, Erhard创建时间：
2007-01-01
