Simple Constrained Deformations for Geometric Modeling and Interactive DesignPaul BorrelAri Rappoport1994ACM Transactions on Graphics (TOG)
Simplifying interactive design of solid models: A hypertext approachMaarten van EmmerikAri Rappoportet al.1993The Visual Computer
The n-Dimensional Extended Convex Differences Tree (ECDT) for Representing PolyhedraAri Rappoport1991SMFCCA 1991