Chemical Analysis of Ancient African Glass Beads: A Very Preliminary Report.

Title: 
Chemical Analysis of Ancient African Glass Beads: A Very Preliminary Report.
Author/Artist: 
Robertshaw, Peter and others.
Published In: 
Journal of African Archaeology, v. 1, no. 1, 2003, pp. 139-146, ill. 1612-1651
Bib ID: 
AI64386
Notes: 
French summary, p. 139.
Trade beads, mainly from the first to 11th centuries A.D.