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Declining Trend in the 13C/12C Ratio of Atmospheric Carbon Dioxide from Tree Rings of South African Widdringtonia cedarbergensis
Edmund C. February, William D. StockVolume:
52
Year:
1999
Language:
english
Pages:
8
DOI:
10.1006/qres.1999.2057
File:
PDF, 115 KB
english, 1999