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Ice core record of the 13C/12C ratio of atmospheric CO2 in the past two centuries
Nature, 1986exaly
13C Content of human collagen as a measure of prehistoric diet in woodland North America
Nature, 1978exaly
Resonances in 13C(13C, alpha )22Ne.
Physical review. C, Nuclear physics, Gilfoyle +9 more
openaire +1 more source
Anomalous 13C depletion in early Precambrian graphites from Superior Province, Canada
Nature, 1981exaly