Priyadarshi Bhattacharya Marina L. Gavrilova Density-Based Clustering Based on Topological Properties of the Data Set. 197-214 2008 Generalized Voronoi Diagram http://dx.doi.org/10.1007/978-3-540-85126-4_8 series/sci/2008-158 db/series/sci/sci158.html#BhattacharyaG08