Tree-ring measurements of Pseudotsuga menziesii (Douglas-fir) from sample BEA...
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Species PSME; No of rings 167; Begin 1806; End 1972
物种PSME;环数:167;起始年份:1806;结束年份:1972

Species PSME; No of rings 167; Begin 1806; End 1972
物种PSME;环数:167;起始年份:1806;结束年份:1972