Columbia subject headings:
Mechanical wear.
Quartz--Testing.
Stone implements.
Tools, Prehistoric.
Harvard subject headings:
Mechanical wear.
Microscopy--Technique
Microscopy--Technique.
Quartz--Testing.
Stone implements.
Tools, Prehistoric.
Princeton subject headings:
Archaeology--Methodology.
Mechanical wear--Analysis.
Stone implements--Analysis.
Tools, Prehistoric.