The dates given have been obtained during the year 1959. They have been made with carbon dioxide at 2 atmospheres pressure in a proportional gas-counter, as for the series given in Radiocarbon Supplement, volume 1.
CITATION STYLE
Godwin, H., & Willis, E. H. (1960). Cambridge University Natural Radiocarbon Measurements II. American Journal of Science. Radiocarbon Supplement, 2, 62–72. https://doi.org/10.1017/s1061592x00020603
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