Clustering of 3D spatial points using maximum likelihood estimator over voronoi tessellations: Study of the galaxy distribution in redshift space - Pizarro, D; Campusano, L; Clowes, R; Virgili, P; Hitschfeld-Kahler, N; Söchting, I (Proceedings - 3rd International Symposium on Voronoi Diagrams in Science and Engineering 2006, ISVD 2006, 2006)