Abstract
The following results represent measurements carried out since our 3rd date list was prepared. The entire CO 2 purification technique (Radiocarbon, 1962, v. 4, p. 81–83) has been changed to “wet purification.” No measurements of C 12 /C 13 ratios have been made.
Cite
CITATION STYLE
APA
Hyyppä, E., Heikkinen, A., & Toivonen, V. (1969). Geological Survey of Finland Radiocarbon Measurements IV. Radiocarbon, 11(01), 183–187. https://doi.org/10.1017/s0033822200064523
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