1. Inge, S.: Electronic gaming device utilizing a random number generator for selecting the reel stop positions, US 4448419 A (1984). Published on 15 May 1984
2. Cooper, M.: How slot machines give gamblers the business, The Atlantic Monthly Group (2005). Accessed on 21 April 2008
3. Casino Observer: How to play slots. CasinoObserver.com (2013).
http://casinoobserver.com/how-to-play-slots.htm
, Accessed on 06 March 2013
4. Balabanov, T.: Bingo slot discrete differential evolution optimization of RTP and prizes distribution, (2015).
http://github.com/TodorBalabanov/BingoSlotDifferentialEvolutionOptimization/
5. Storn, R.: Differential evolution - a simple and efficient heuristic strategy for global optimization over continuous spaces, J. Global Optim., 11, 341–359. Dordrecht (1997)