1. Landscape automata for search based procedural content generation
2. Staffan Björk and Jussi Holopainen. 2004. Patterns in Game Design. Charles River Media. Staffan Björk and Jussi Holopainen. 2004. Patterns in Game Design . Charles River Media.
3. Constraint-handling techniques used with evolutionary algorithms
4. Adventures in level design
5. Generating missions and spaces for adaptable play experiences. IEEE Transactions on Computational Intelligence and AI in Games;Dormans Joris;Special Issue on Procedural Content Generation,2011