1. CAM-I's Illustrated Glossery of Work-piece Form Features,1980
2. Designing with features: The origin of features;Cunningham,1988
3. Reconciliation of Design and Manufacturing Requirements for Product Description Data Using Functional Primitive Part Features;Faux,1986
4. Extraction of features information from three dimensional CAD data;Henderson,1984
5. Geometric reasoning and design advisory systems;Hirschtick,1986