1. Object representation by means of non-minimal division quadtrees and octrees;Ayala;ACM Trans. Graph.,1985
2. Including shape handles in recursive subdivision surfaces;Brunet;Computer Aided Geom. Design,1988
3. Brunet, P., and I. Navazo, Geometric modeling using exact octree representation of polyhedral objects, Proc. Eurographics'85, North-Holland, Nice 1985, 159–169.
4. Brunet, P., I. Navazo, and A. Vinacua, A Modeling scheme for the approximate representation of closed surfaces, Geometric Modeling Seminar, Schloss Dagstuhl, July 1991.
5. Brunet, P., and A. Vinacua, Increasing the flexibility of VC1 connections of Bézier patches, Technical Report 89–12, Polytechnic University of Catalonia