Extended Octtrees, between CSG Trees and Boundary Representations. - Isabel Navazo; Josep Fontdecaba; Pere Brunet (Eurographics, 1987)

Dimensional verification of NC machining profiles using extended quadtrees. - Chonglin Liu; Donald M. Esterling; Josep Fontdecaba; Eric Mosel (Comput. Aided Des., 1996)

Virtual CNC with Performance Error Modeling. - Donald M. Esterling; Josep Fontdecaba (SSM, 1998)