Columbia subject headings:
Computer graphics--Congresses.
Computer-aided engineering--Congresses.
Pattern perception--Congresses.
Solids--Congresses.
Harvard subject headings:
CAD/CAM systems--Congresses
Computer graphics--Congresses
Computer-aided engineering--Congresses.
Geometry--Data processing--Congresses
Pattern perception--Congresses
Solids--Congresses
Princeton subject headings: