Pretoria calibration curve for short-lived samples, 1930-3350 BC.
J C Vogel, AnneMarie Fuls, Ebbie Visser, Bernd Becker
Keywords
South Africa;Southern Africa;Namibia;calibration;Africa;Holocene;sample preparation;Cenozoic;Quaternary;methods;C 14;carbon;isotopes;radioactive isotopes;absolute age