1. Aichholzer, O., Fabila-Monroy, R., Flores-Peñaloza, D., Hackl, T., Huemer, C., Urrutia, J., Vogtenhuber, B.: Modem illumination of monotone polygons. In: Proc. 25th European Workshop on Computational Geometry EuroCG, vol. 9, pp. 167–170 (2009)
2. Chvátal, V.: A combinatorial theorem in plane geometry. J. Comb. Theory, Ser. B 18(1), 39–41 (1975)
3. Erickson, L.H., LaValle, S.M.: An art gallery approach to ensuring that landmarks are distinguishable. In: Robotics: Science and Systems, vol. VII, pp. 81–88 (2012)
4. O’Rourke, J.: Art Gallery Theorems and Algorithms. Oxford University Press, Oxford (1987)
5. Pach, J., Tardos, G.: Coloring axis-parallel rectangles. J. Comb. Theory, Ser. A 117(6), 776–782 (2010)