The n-Dimensional Extended Convex Differences Tree (ECDT) for Representing PolyhedraAri Rappoport1991SMFCCA 1991
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