1. Minimum-cost coverage of point sets by disks;Alt,2006
2. Constant-factor approximation for minimum-weight (connected) dominating sets in unit disk graphs;Ambühl,2006
3. Algorithms for reporting and counting geometric intersections;Bentley;IEEE Trans. Comput.,1979
4. Computational Geometry — Algorithms and Applications;de Berg,2008
5. Geometric clustering to minimize the sum of cluster sizes;Bilò,2005