Tree-ring measurements of Pseudotsuga menziesii (Douglas-fir) from sample SAN...
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Species PSME; No of rings 148; Begin 1836; End 1983
物种PSME;年轮数148;起始年份1836;终止年份1983

Species PSME; No of rings 148; Begin 1836; End 1983
物种PSME;年轮数148;起始年份1836;终止年份1983