References
[1] A. Lucas, J.R. Harris, "Ancient Egyptian materials and industries" (Edwards Arnold Ltd., London) (1963).
[2] Ph. Walter, P. Martinetto, G. Tsoucaris, R. Bréniaux, M.A. Lefebvre, G. Richard, J. Talabot, E. Dooryhee, "Manufacturing cosmetics in ancient Egypt", Nature 397, 483-484 (1999).
[3] P. Martinetto, M. Anne, E. Dooryhee, Ph. Walter, "Analysis of x-ray diffraction line profile of galena powders: a clue to some practices of mineral crushing in ancient Egypt", Proceedings of the 6th European Conference on Powder Diffraction (EPDIC6), Materials Science Forum (1998).