Stewart Brand
F. de Mély
Joel Levy
Per Mollerup
Herbert van den Berge
Sally Kevill-Davies
Thomas F. Tierney
Mechthild Wiswe
Rose Kerr
Conference on Lithic Use-Wear Simon Fraser University 1977.
Rijksmuseum (Netherlands)
Jean-François-Albert du Pouget marquis de Nadaillac
Chantal Martin Pruvot
Thierry Bonnot
Southwest Symposium (1988- ) (7th 2000 Santa Fe, N.M.)
Guy Walton
O. W. Hampton