1. C.L. Bajaj, V. Pascucci, D.R. Schikore, The contour spectrum, in: Proceedings of Visualization, 1997, pp. 167–173
2. Hybrid techniques for real-time radar simulation;Boyell,1963
3. A topological hierarchy for functions on triangulated surfaces;Bremer;IEEE Transactions on Visualization and Computer Graphics,2004
4. H. Carr, J. Snoeyink, Path seeds and flexible isosurfaces: Using topology for exploratory visualization, in: Proceedings of Eurographics Visualization Symposium, 2003, pp. 49–58, 285
5. Computing contour trees in all dimensions;Carr;Computational Geometry: Theory and Applications,2003