1. “alexey pajitnov” in wikipedia: The free encyclopediaLast retrieved 14 April 2014
2. Tetris is hard, even to approximate;Demaine,2003
3. Feature-based methods for large scale dynamic programming;Tsitsiklis;Machine Learning,1996
4. Can you win at tetris?, masters Thesis;Brzustowski,1992
5. Building controllers for tetris;Thiery;International Computer Game Association Journal,2009