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Browsing by Author "Jacobs, Z"

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  • Jacobs, Z; Duller, GAT; Wintle, AG (Pergamon-Elseveir Science Ltd, 2006-03)
    Recent development of an instrument for measuring the optically stimulated luminescence signal from individual mineral grains has made it practicable to measure the equivalent dose (De) from many hundreds or thousands of ...
  • Henshilwood, C; D'Errico, F; Vanhaeren, M; Van Niekerk, K; Jacobs, Z (American Association for the Advancement of Science, 2004-04-16)
    There are two competing models for the emergence of modern human behaviour: first, a late emergence in Africa or Eurasia similar to 50 to 40 thousand years ago and second, and a gradual transition in Africa between 250 to ...
  • Wadley, L; Jacobs, Z (Academy of Science South Africa, 2004-03)
    Sibudu Cave excavations have yielded an Iron Age occupation directly overlying a long sequence of final Middle Stone Age (MSA)layers dating c. 61 000–26 000 years ago. Older, undated layers contain a Howiesons Poort Industry. ...