Tree-ring measurements of Picea engelmannii (Engelmann spruce) from sample NI...
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Species PCEN; No of rings 133; Begin 1850; End 1982
物种PCEN(Species PCEN);年轮数:133;起始年份:1850;终止年份:1982

Species PCEN; No of rings 133; Begin 1850; End 1982
物种PCEN(Species PCEN);年轮数:133;起始年份:1850;终止年份:1982