Tree-ring measurements of Pseudotsuga menziesii (Douglas-fir) from sample SAN...
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Species PSME; No of rings 168; Begin 1816; End 1983
物种:PSME;年轮数量:168;起始年份:1816;终止年份:1983

Species PSME; No of rings 168; Begin 1816; End 1983
物种:PSME;年轮数量:168;起始年份:1816;终止年份:1983