1. “Alexey Pajitnov” in Wikipedia: The Free Encyclopedia (last retrieved April 14, 2014)
2. Lecture Notes in Computer Science;E.D. Demaine,2003
3. Lecture Notes in Computer Science;C. Donninger,2004
4. Lecture Notes in Computer Science;S. Phon-Amnuaisuk,2011
5. Lundgaard, N., McKee, B.: Reinforcement learning and neural networks for Tetris. Technical Report, University of Oklahoma