1. Guarding orthogonal art galleries using sliding cameras: algorithmic and hardness results;Durocher,2013
2. Locating guards for visibility coverage of polygons;Amit;Int. J. Comput. Geom. Appl.,2010
3. Art Gallery Theorems and Algorithms;O'Rourke,1987
4. Art gallery and illumination problems;Urrutia,2000
5. On the rectilinear art gallery problem;Hoffmann,1990