1. Mathematical Recreations and Problems of Past and Present Times;Ball,1892
2. An improved upper bound for queens domination numbers;Burger;Discrete Math.,2003
3. Chessboard domination problems;Cockayne;Discrete Math.,1990
4. C.F. de Jaenisch, Traité des Applications de l’Analyse Mathématique au Jeu des Échecs, Saint-Pétersbourg, 1862
5. Graph Theory;Harary,1969