82,000-year-old shell beads from North Africa and implications for the origins of modern human behavior.

Autor: Bouzouggara, Abdeijalil, Barton, Nick, Vanhaerend, Marian, d'Errico, Francesco, Collcutt, Simon, Higham, Tom, Hodge, Edward, Parfitt, Simon, Rhodes, Edward, Schwenninger, Jean-Luc, Stringer, Chris, Turner, Elaine, Ward, Steven, Moutmir, Abdelkrim, Stambouli, Abdelhamid

Publikováno v: Proceedings of the National Academy of Sciences of the United States of America; 6/12/2007, Vol. 104 Issue 24, p9964-9969, 6p, 1 Chart, 5 Graphs