Columbia subject headings:
Archaeology--Experiments.
Siliceous rocks--Heat treatment.
Stone implements--Experiments.
Stone implements.
Harvard subject headings:
Archaeology--Experiments.
Siliceous rocks--Heat treatment.
Siliceous rocks--Thermal properties.
Stone implements--Experiments.
Stone implements.
Princeton subject headings:
Archaeology--Experiments.
Siliceous rocks--Heat treatment.
Siliceous rocks--Thermal properties.
Stone implements--Experiments.
Stone implements.